| /* |
| * Copyright (C) 2012 Fusion-io |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public |
| * License v2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Parts of this file were imported from Jens Axboe's blktrace sources (also GPL) |
| */ |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <math.h> |
| #include <inttypes.h> |
| #include <string.h> |
| #include <asm/types.h> |
| #include <errno.h> |
| #include <sys/mman.h> |
| #include <time.h> |
| #include <math.h> |
| #include <getopt.h> |
| #include <limits.h> |
| #include <float.h> |
| |
| #include "plot.h" |
| #include "blkparse.h" |
| #include "list.h" |
| #include "tracers.h" |
| #include "mpstat.h" |
| #include "fio.h" |
| |
| LIST_HEAD(all_traces); |
| LIST_HEAD(fio_traces); |
| |
| static char line[1024]; |
| static int line_len = 1024; |
| static int found_mpstat = 0; |
| static int make_movie = 0; |
| static int keep_movie_svgs = 0; |
| static int opt_graph_width = 0; |
| static int opt_graph_height = 0; |
| |
| static int columns = 1; |
| static int num_xticks = 7; |
| static int num_yticks = 4; |
| |
| static double min_time = 0; |
| static double max_time = DBL_MAX; |
| static unsigned long long min_mb = 0; |
| static unsigned long long max_mb = ULLONG_MAX >> 20; |
| |
| int plot_io_action = 0; |
| int io_per_process = 0; |
| unsigned int longest_proc_name = 0; |
| |
| /* |
| * this doesn't include the IO graph, |
| * but it counts the other graphs as they go out |
| */ |
| static int total_graphs_written = 1; |
| |
| enum { |
| IO_GRAPH_INDEX = 0, |
| TPUT_GRAPH_INDEX, |
| FIO_GRAPH_INDEX, |
| CPU_SYS_GRAPH_INDEX, |
| CPU_IO_GRAPH_INDEX, |
| CPU_IRQ_GRAPH_INDEX, |
| CPU_SOFT_GRAPH_INDEX, |
| CPU_USER_GRAPH_INDEX, |
| LATENCY_GRAPH_INDEX, |
| QUEUE_DEPTH_GRAPH_INDEX, |
| IOPS_GRAPH_INDEX, |
| TOTAL_GRAPHS |
| }; |
| |
| enum { |
| MPSTAT_SYS = 0, |
| MPSTAT_IRQ, |
| MPSTAT_IO, |
| MPSTAT_SOFT, |
| MPSTAT_USER, |
| MPSTAT_GRAPHS |
| }; |
| |
| static char *graphs_by_name[] = { |
| "io", |
| "tput", |
| "fio", |
| "cpu-sys", |
| "cpu-io", |
| "cpu-irq", |
| "cpu-soft", |
| "cpu-user", |
| "latency", |
| "queue-depth", |
| "iops", |
| }; |
| |
| enum { |
| MOVIE_SPINDLE, |
| MOVIE_RECT, |
| NUM_MOVIE_STYLES, |
| }; |
| |
| char *movie_styles[] = { |
| "spindle", |
| "rect", |
| NULL |
| }; |
| |
| static int movie_style = 0; |
| |
| static int lookup_movie_style(char *str) |
| { |
| int i; |
| |
| for (i = 0; i < NUM_MOVIE_STYLES; i++) { |
| if (strcmp(str, movie_styles[i]) == 0) |
| return i; |
| } |
| return -1; |
| } |
| |
| static int active_graphs[TOTAL_GRAPHS]; |
| static int last_active_graph = IOPS_GRAPH_INDEX; |
| |
| static int label_index = 0; |
| static int num_traces = 0; |
| static int num_fio_traces = 0; |
| static int longest_label = 0; |
| |
| static char *graph_title = ""; |
| static char *output_filename = "trace.svg"; |
| static char *blktrace_devices[MAX_DEVICES_PER_TRACE]; |
| static int num_blktrace_devices = 0; |
| static char *blktrace_outfile = "trace"; |
| static char *blktrace_dest_dir = "."; |
| static char *program_to_run = NULL; |
| static char *ffmpeg_codec = "libx264"; |
| |
| static void alloc_mpstat_gld(struct trace_file *tf) |
| { |
| struct graph_line_data **ptr; |
| |
| if (tf->trace->mpstat_num_cpus == 0) |
| return; |
| |
| ptr = calloc((tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS, |
| sizeof(struct graph_line_data *)); |
| if (!ptr) { |
| perror("Unable to allocate mpstat arrays\n"); |
| exit(1); |
| } |
| tf->mpstat_gld = ptr; |
| } |
| |
| static void enable_all_graphs(void) |
| { |
| int i; |
| for (i = 0; i < TOTAL_GRAPHS; i++) |
| active_graphs[i] = 1; |
| } |
| |
| static void disable_all_graphs(void) |
| { |
| int i; |
| for (i = 0; i < TOTAL_GRAPHS; i++) |
| active_graphs[i] = 0; |
| } |
| |
| static int enable_one_graph(char *name) |
| { |
| int i; |
| for (i = 0; i < TOTAL_GRAPHS; i++) { |
| if (strcmp(name, graphs_by_name[i]) == 0) { |
| active_graphs[i] = 1; |
| return 0; |
| } |
| } |
| return -ENOENT; |
| } |
| |
| static int disable_one_graph(char *name) |
| { |
| int i; |
| for (i = 0; i < TOTAL_GRAPHS; i++) { |
| if (strcmp(name, graphs_by_name[i]) == 0) { |
| active_graphs[i] = 0; |
| return 0; |
| } |
| } |
| return -ENOENT; |
| } |
| |
| static int last_graph(void) |
| { |
| int i; |
| for (i = TOTAL_GRAPHS - 1; i >= 0; i--) { |
| if (active_graphs[i]) { |
| return i; |
| } |
| } |
| return -ENOENT; |
| } |
| |
| static int graphs_left(int cur) |
| { |
| int i; |
| int left = 0; |
| for (i = cur; i < TOTAL_GRAPHS; i++) { |
| if (active_graphs[i]) |
| left++; |
| } |
| return left; |
| } |
| |
| static char * join_path(char *dest_dir, char *filename) |
| { |
| /* alloc 2 extra bytes for '/' and '\0' */ |
| char *path = malloc(strlen(dest_dir) + strlen(filename) + 2); |
| sprintf(path, "%s%s%s", dest_dir, "/", filename); |
| |
| return path; |
| } |
| |
| static void add_trace_file(char *filename) |
| { |
| struct trace_file *tf; |
| |
| tf = calloc(1, sizeof(*tf)); |
| if (!tf) { |
| fprintf(stderr, "Unable to allocate memory\n"); |
| exit(1); |
| } |
| tf->label = ""; |
| tf->filename = strdup(filename); |
| list_add_tail(&tf->list, &all_traces); |
| tf->line_color = "black"; |
| num_traces++; |
| } |
| |
| static void add_fio_trace_file(char *filename) |
| { |
| struct trace_file *tf; |
| |
| tf = calloc(1, sizeof(*tf)); |
| if (!tf) { |
| fprintf(stderr, "Unable to allocate memory\n"); |
| exit(1); |
| } |
| tf->label = ""; |
| tf->filename = strdup(filename); |
| list_add_tail(&tf->list, &fio_traces); |
| tf->line_color = pick_fio_color(); |
| tf->fio_trace = 1; |
| num_fio_traces++; |
| } |
| |
| static void setup_trace_file_graphs(void) |
| { |
| struct trace_file *tf; |
| int i; |
| int alloc_ptrs; |
| |
| if (io_per_process) |
| alloc_ptrs = 16; |
| else |
| alloc_ptrs = 1; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| tf->tput_reads_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); |
| tf->tput_writes_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); |
| tf->latency_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); |
| tf->queue_depth_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); |
| |
| tf->iop_gld = alloc_line_data(tf->min_seconds, tf->max_seconds, tf->stop_seconds); |
| tf->gdd_writes = calloc(alloc_ptrs, sizeof(struct graph_dot_data)); |
| tf->gdd_reads = calloc(alloc_ptrs, sizeof(struct graph_dot_data)); |
| tf->io_plots_allocated = alloc_ptrs; |
| |
| if (tf->trace->mpstat_num_cpus == 0) |
| continue; |
| |
| alloc_mpstat_gld(tf); |
| for (i = 0; i < (tf->trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i++) { |
| tf->mpstat_gld[i] = |
| alloc_line_data(tf->mpstat_min_seconds, |
| tf->mpstat_max_seconds, |
| tf->mpstat_max_seconds); |
| tf->mpstat_gld[i]->max = 100; |
| } |
| } |
| |
| list_for_each_entry(tf, &fio_traces, list) { |
| if (tf->trace->fio_seconds > 0) { |
| tf->fio_gld = alloc_line_data(tf->min_seconds, |
| tf->max_seconds, |
| tf->stop_seconds); |
| } |
| } |
| |
| } |
| |
| static void read_traces(void) |
| { |
| struct trace_file *tf; |
| struct trace *trace; |
| u64 last_time; |
| u64 ymin; |
| u64 ymax; |
| u64 max_bank; |
| u64 max_bank_offset; |
| char *path = NULL; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| path = join_path(blktrace_dest_dir, tf->filename); |
| |
| trace = open_trace(path); |
| if (!trace) |
| exit(1); |
| |
| last_time = find_last_time(trace); |
| tf->trace = trace; |
| tf->max_seconds = SECONDS(last_time) + 1; |
| tf->stop_seconds = SECONDS(last_time) + 1; |
| |
| find_extreme_offsets(trace, &tf->min_offset, &tf->max_offset, |
| &max_bank, &max_bank_offset); |
| filter_outliers(trace, tf->min_offset, tf->max_offset, &ymin, &ymax); |
| tf->min_offset = ymin; |
| tf->max_offset = ymax; |
| |
| read_mpstat(trace, path); |
| tf->mpstat_stop_seconds = trace->mpstat_seconds; |
| tf->mpstat_max_seconds = trace->mpstat_seconds; |
| if (tf->mpstat_max_seconds) |
| found_mpstat = 1; |
| |
| free(path); |
| } |
| |
| list_for_each_entry(tf, &fio_traces, list) { |
| trace = open_fio_trace(tf->filename); |
| if (!trace) |
| exit(1); |
| tf->trace = trace; |
| tf->max_seconds = tf->trace->fio_seconds; |
| tf->stop_seconds = tf->trace->fio_seconds; |
| } |
| } |
| |
| static void pick_line_graph_color(void) |
| { |
| struct trace_file *tf; |
| int i; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| for (i = 0; i < tf->io_plots; i++) { |
| if (tf->gdd_reads[i]) { |
| tf->line_color = tf->gdd_reads[i]->color; |
| tf->reads_color = tf->gdd_reads[i]->color; |
| } |
| if (tf->gdd_writes[i]) { |
| tf->line_color = tf->gdd_writes[i]->color; |
| tf->writes_color = tf->gdd_writes[i]->color; |
| } |
| if (tf->writes_color && tf->reads_color) |
| break; |
| } |
| if (!tf->reads_color) |
| tf->reads_color = tf->line_color; |
| if (!tf->writes_color) |
| tf->writes_color = tf->line_color; |
| } |
| } |
| |
| static void read_fio_events(struct trace_file *tf) |
| { |
| u64 bw = 0; |
| int time = 0; |
| int dir = 0; |
| int ret; |
| |
| first_fio(tf->trace); |
| while (1) { |
| ret = read_fio_event(tf->trace, &time, &bw, &dir); |
| if (ret) |
| break; |
| |
| if (dir <= 1) |
| add_fio_gld(time, bw, tf->fio_gld); |
| if (next_fio_line(tf->trace)) |
| break; |
| } |
| } |
| |
| static void read_trace_events(void) |
| { |
| |
| struct trace_file *tf; |
| struct trace *trace; |
| int ret; |
| int i; |
| int time; |
| double user, sys, iowait, irq, soft; |
| double max_user = 0, max_sys = 0, max_iowait = 0, |
| max_irq = 0, max_soft = 0; |
| |
| list_for_each_entry(tf, &fio_traces, list) |
| read_fio_events(tf); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| trace = tf->trace; |
| |
| first_record(trace); |
| while (1) { |
| check_record(trace); |
| add_tput(trace, tf->tput_writes_gld, tf->tput_reads_gld); |
| add_iop(trace, tf->iop_gld); |
| add_io(trace, tf); |
| add_pending_io(trace, tf->queue_depth_gld); |
| add_completed_io(trace, tf->latency_gld); |
| ret = next_record(trace); |
| if (ret) |
| break; |
| } |
| } |
| list_for_each_entry(tf, &all_traces, list) { |
| trace = tf->trace; |
| |
| if (trace->mpstat_num_cpus == 0) |
| continue; |
| |
| first_mpstat(trace); |
| |
| for (time = 0; time < tf->mpstat_stop_seconds; time ++) { |
| for (i = 0; i < (trace->mpstat_num_cpus + 1) * MPSTAT_GRAPHS; i += MPSTAT_GRAPHS) { |
| ret = read_mpstat_event(trace, &user, &sys, |
| &iowait, &irq, &soft); |
| if (ret) |
| goto mpstat_done; |
| if (next_mpstat_line(trace)) |
| goto mpstat_done; |
| |
| if (sys > max_sys) |
| max_sys = sys; |
| if (user > max_user) |
| max_user = user; |
| if (irq > max_irq) |
| max_irq = irq; |
| if (iowait > max_iowait) |
| max_iowait = iowait; |
| |
| add_mpstat_gld(time, sys, tf->mpstat_gld[i + MPSTAT_SYS]); |
| add_mpstat_gld(time, irq, tf->mpstat_gld[i + MPSTAT_IRQ]); |
| add_mpstat_gld(time, soft, tf->mpstat_gld[i + MPSTAT_SOFT]); |
| add_mpstat_gld(time, user, tf->mpstat_gld[i + MPSTAT_USER]); |
| add_mpstat_gld(time, iowait, tf->mpstat_gld[i + MPSTAT_IO]); |
| } |
| if (next_mpstat(trace) == NULL) |
| break; |
| } |
| } |
| |
| mpstat_done: |
| list_for_each_entry(tf, &all_traces, list) { |
| trace = tf->trace; |
| |
| if (trace->mpstat_num_cpus == 0) |
| continue; |
| |
| tf->mpstat_gld[MPSTAT_SYS]->max = max_sys; |
| tf->mpstat_gld[MPSTAT_IRQ]->max = max_irq; |
| tf->mpstat_gld[MPSTAT_SOFT]->max = max_soft; |
| tf->mpstat_gld[MPSTAT_USER]->max = max_user; |
| tf->mpstat_gld[MPSTAT_IO]->max = max_iowait;; |
| } |
| return; |
| } |
| |
| static void set_trace_label(char *label) |
| { |
| int cur = 0; |
| struct trace_file *tf; |
| int len = strlen(label); |
| |
| if (len > longest_label) |
| longest_label = len; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| if (cur == label_index) { |
| tf->label = strdup(label); |
| label_index++; |
| return; |
| break; |
| } |
| cur++; |
| } |
| list_for_each_entry(tf, &fio_traces, list) { |
| if (cur == label_index) { |
| tf->label = strdup(label); |
| label_index++; |
| break; |
| } |
| cur++; |
| } |
| } |
| |
| static void set_blktrace_outfile(char *arg) |
| { |
| char *s = strdup(arg); |
| char *last_dot = strrchr(s, '.'); |
| |
| if (last_dot) { |
| if (strcmp(last_dot, ".dump") == 0) |
| *last_dot = '\0'; |
| } |
| blktrace_outfile = s; |
| } |
| |
| |
| static void compare_minmax_tf(struct trace_file *tf, int *max_seconds, u64 *min_offset, u64 *max_offset) |
| { |
| if (tf->max_seconds > *max_seconds) |
| *max_seconds = tf->max_seconds; |
| if (tf->max_offset > *max_offset) |
| *max_offset = tf->max_offset; |
| if (tf->min_offset < *min_offset) |
| *min_offset = tf->min_offset; |
| } |
| |
| static void set_all_minmax_tf(int min_seconds, int max_seconds, u64 min_offset, u64 max_offset) |
| { |
| struct trace_file *tf; |
| struct list_head *traces = &all_traces; |
| again: |
| list_for_each_entry(tf, traces, list) { |
| tf->min_seconds = min_seconds; |
| tf->max_seconds = max_seconds; |
| if (tf->stop_seconds > max_seconds) |
| tf->stop_seconds = max_seconds; |
| if (tf->mpstat_max_seconds) { |
| tf->mpstat_min_seconds = min_seconds; |
| tf->mpstat_max_seconds = max_seconds; |
| if (tf->mpstat_stop_seconds > max_seconds) |
| tf->mpstat_stop_seconds = max_seconds; |
| } |
| tf->min_offset = min_offset; |
| tf->max_offset = max_offset; |
| } |
| if (traces == &all_traces) { |
| traces = &fio_traces; |
| goto again; |
| } |
| } |
| |
| static char *create_movie_temp_dir(void) |
| { |
| char *ret; |
| char *pattern = strdup("io-movie-XXXXXX");; |
| |
| ret = mkdtemp(pattern); |
| if (!ret) { |
| perror("Unable to create temp directory for movie files"); |
| exit(1); |
| } |
| return ret; |
| } |
| |
| static struct pid_plot_history *alloc_pid_plot_history(char *color) |
| { |
| struct pid_plot_history *pph; |
| |
| pph = calloc(1, sizeof(struct pid_plot_history)); |
| if (!pph) { |
| perror("memory allocation failed"); |
| exit(1); |
| } |
| pph->history = malloc(sizeof(double) * 4096); |
| if (!pph->history) { |
| perror("memory allocation failed"); |
| exit(1); |
| } |
| pph->history_len = 4096; |
| pph->color = color; |
| |
| return pph; |
| } |
| |
| static struct plot_history *alloc_plot_history(struct trace_file *tf) |
| { |
| struct plot_history *ph = calloc(1, sizeof(struct plot_history)); |
| int i; |
| |
| if (!ph) { |
| perror("memory allocation failed"); |
| exit(1); |
| } |
| ph->read_pid_history = calloc(tf->io_plots, sizeof(struct pid_plot_history *)); |
| if (!ph->read_pid_history) { |
| perror("memory allocation failed"); |
| exit(1); |
| } |
| ph->write_pid_history = calloc(tf->io_plots, sizeof(struct pid_plot_history *)); |
| if (!ph->write_pid_history) { |
| perror("memory allocation failed"); |
| exit(1); |
| } |
| ph->pid_history_count = tf->io_plots; |
| for (i = 0; i < tf->io_plots; i++) { |
| if (tf->gdd_reads[i]) |
| ph->read_pid_history[i] = alloc_pid_plot_history(tf->gdd_reads[i]->color); |
| if (tf->gdd_writes[i]) |
| ph->write_pid_history[i] = alloc_pid_plot_history(tf->gdd_writes[i]->color); |
| } |
| return ph; |
| } |
| |
| LIST_HEAD(movie_history); |
| int num_histories = 0; |
| |
| static void free_plot_history(struct plot_history *ph) |
| { |
| int pid; |
| |
| for (pid = 0; pid < ph->pid_history_count; pid++) { |
| if (ph->read_pid_history[pid]) |
| free(ph->read_pid_history[pid]); |
| if (ph->write_pid_history[pid]) |
| free(ph->write_pid_history[pid]); |
| } |
| free(ph->read_pid_history); |
| free(ph->write_pid_history); |
| free(ph); |
| } |
| |
| static void add_history(struct plot_history *ph, struct list_head *list) |
| { |
| struct plot_history *entry; |
| |
| list_add_tail(&ph->list, list); |
| num_histories++; |
| |
| if (num_histories > 12) { |
| num_histories--; |
| entry = list_entry(list->next, struct plot_history, list); |
| list_del(&entry->list); |
| free_plot_history(entry); |
| } |
| } |
| |
| static void plot_movie_history(struct plot *plot, struct list_head *list) |
| { |
| struct plot_history *ph; |
| int pid; |
| |
| if (num_histories > 2) |
| rewind_spindle_steps(num_histories - 1); |
| |
| list_for_each_entry(ph, list, list) { |
| for (pid = 0; pid < ph->pid_history_count; pid++) { |
| if (ph->read_pid_history[pid]) { |
| if (movie_style == MOVIE_SPINDLE) { |
| svg_io_graph_movie_array_spindle(plot, |
| ph->read_pid_history[pid]); |
| } else { |
| svg_io_graph_movie_array(plot, |
| ph->read_pid_history[pid]); |
| } |
| } |
| if (ph->write_pid_history[pid]) { |
| if (movie_style == MOVIE_SPINDLE) { |
| svg_io_graph_movie_array_spindle(plot, |
| ph->write_pid_history[pid]); |
| } else { |
| svg_io_graph_movie_array(plot, |
| ph->write_pid_history[pid]); |
| } |
| } |
| } |
| } |
| } |
| |
| static void free_all_plot_history(struct list_head *head) |
| { |
| struct plot_history *entry; |
| |
| while (!list_empty(head)) { |
| entry = list_entry(head->next, struct plot_history, list); |
| list_del(&entry->list); |
| free_plot_history(entry); |
| } |
| } |
| |
| static int count_io_plot_types(void) |
| { |
| struct trace_file *tf; |
| int i; |
| int total_io_types = 0; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| for (i = 0; i < tf->io_plots; i++) { |
| if (tf->gdd_reads[i]) |
| total_io_types++; |
| if (tf->gdd_writes[i]) |
| total_io_types++; |
| } |
| } |
| return total_io_types; |
| } |
| |
| static void plot_io(struct plot *plot, int min_seconds, int max_seconds, u64 min_offset, u64 max_offset) |
| { |
| struct trace_file *tf; |
| int i; |
| |
| if (active_graphs[IO_GRAPH_INDEX] == 0) |
| return; |
| |
| setup_axis(plot); |
| |
| svg_alloc_legend(plot, count_io_plot_types() * 2); |
| |
| set_plot_label(plot, "Device IO"); |
| set_ylabel(plot, "Offset (MB)"); |
| set_yticks(plot, num_yticks, min_offset / (1024 * 1024), |
| max_offset / (1024 * 1024), ""); |
| set_xticks(plot, num_xticks, min_seconds, max_seconds); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| char label[256]; |
| char *pos; |
| |
| if (!tf->label) |
| label[0] = 0; |
| else { |
| strcpy(label, tf->label); |
| if (io_per_process) |
| strcat(label, " "); |
| } |
| pos = label + strlen(label); |
| |
| for (i = 0; i < tf->io_plots; i++) { |
| if (tf->gdd_writes[i]) { |
| svg_io_graph(plot, tf->gdd_writes[i]); |
| if (io_per_process) |
| strcpy(pos, tf->gdd_writes[i]->label); |
| svg_add_legend(plot, label, " Writes", tf->gdd_writes[i]->color); |
| } |
| if (tf->gdd_reads[i]) { |
| svg_io_graph(plot, tf->gdd_reads[i]); |
| if (io_per_process) |
| strcpy(pos, tf->gdd_reads[i]->label); |
| svg_add_legend(plot, label, " Reads", tf->gdd_reads[i]->color); |
| } |
| |
| } |
| } |
| if (plot->add_xlabel) |
| set_xlabel(plot, "Time (seconds)"); |
| svg_write_legend(plot); |
| close_plot(plot); |
| } |
| |
| static void plot_tput(struct plot *plot, int min_seconds, int max_seconds) |
| { |
| struct trace_file *tf; |
| char *units; |
| char line[128]; |
| u64 max = 0; |
| |
| if (active_graphs[TPUT_GRAPH_INDEX] == 0) |
| return; |
| |
| svg_alloc_legend(plot, num_traces * 2); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| if (tf->tput_writes_gld->max > max) |
| max = tf->tput_writes_gld->max; |
| if (tf->tput_reads_gld->max > max) |
| max = tf->tput_reads_gld->max; |
| } |
| list_for_each_entry(tf, &all_traces, list) { |
| if (tf->tput_writes_gld->max > 0) |
| tf->tput_writes_gld->max = max; |
| if (tf->tput_reads_gld->max > 0) |
| tf->tput_reads_gld->max = max; |
| } |
| |
| setup_axis(plot); |
| set_plot_label(plot, "Throughput"); |
| |
| tf = list_entry(all_traces.next, struct trace_file, list); |
| |
| scale_line_graph_bytes(&max, &units, 1024); |
| sprintf(line, "%sB/s", units); |
| set_ylabel(plot, line); |
| set_yticks(plot, num_yticks, 0, max, ""); |
| set_xticks(plot, num_xticks, min_seconds, max_seconds); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| if (tf->tput_writes_gld->max > 0) { |
| svg_line_graph(plot, tf->tput_writes_gld, tf->writes_color, 0, 0); |
| svg_add_legend(plot, tf->label, "Writes", tf->writes_color); |
| } |
| if (tf->tput_reads_gld->max > 0) { |
| svg_line_graph(plot, tf->tput_reads_gld, tf->reads_color, 0, 0); |
| svg_add_legend(plot, tf->label, "Reads", tf->reads_color); |
| } |
| } |
| |
| if (plot->add_xlabel) |
| set_xlabel(plot, "Time (seconds)"); |
| |
| svg_write_legend(plot); |
| close_plot(plot); |
| total_graphs_written++; |
| } |
| |
| static void plot_fio_tput(struct plot *plot, int min_seconds, int max_seconds) |
| { |
| struct trace_file *tf; |
| char *units; |
| char line[128]; |
| u64 max = 0; |
| |
| if (num_fio_traces == 0 || active_graphs[FIO_GRAPH_INDEX] == 0) |
| return; |
| |
| if (num_fio_traces > 1) |
| svg_alloc_legend(plot, num_fio_traces); |
| |
| list_for_each_entry(tf, &fio_traces, list) { |
| if (tf->fio_gld->max > max) |
| max = tf->fio_gld->max; |
| } |
| |
| list_for_each_entry(tf, &fio_traces, list) { |
| if (tf->fio_gld->max > 0) |
| tf->fio_gld->max = max; |
| } |
| |
| setup_axis(plot); |
| set_plot_label(plot, "Fio Throughput"); |
| |
| tf = list_entry(all_traces.next, struct trace_file, list); |
| |
| scale_line_graph_bytes(&max, &units, 1024); |
| sprintf(line, "%sB/s", units); |
| set_ylabel(plot, line); |
| set_yticks(plot, num_yticks, 0, max, ""); |
| |
| set_xticks(plot, num_xticks, min_seconds, max_seconds); |
| list_for_each_entry(tf, &fio_traces, list) { |
| if (tf->fio_gld->max > 0) { |
| svg_line_graph(plot, tf->fio_gld, tf->line_color, 0, 0); |
| if (num_fio_traces > 1) |
| svg_add_legend(plot, tf->label, "", tf->line_color); |
| } |
| } |
| |
| if (plot->add_xlabel) |
| set_xlabel(plot, "Time (seconds)"); |
| |
| if (num_fio_traces > 1) |
| svg_write_legend(plot); |
| close_plot(plot); |
| total_graphs_written++; |
| } |
| |
| static void plot_cpu(struct plot *plot, int max_seconds, char *label, |
| int active_index, int gld_index) |
| { |
| struct trace_file *tf; |
| int max = 0; |
| int i; |
| int gld_i; |
| char *color; |
| double avg = 0; |
| int ymax; |
| int plotted = 0; |
| |
| if (active_graphs[active_index] == 0) |
| return; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| if (tf->trace->mpstat_num_cpus > max) |
| max = tf->trace->mpstat_num_cpus; |
| } |
| if (max == 0) |
| return; |
| |
| tf = list_entry(all_traces.next, struct trace_file, list); |
| |
| ymax = tf->mpstat_gld[gld_index]->max; |
| if (ymax == 0) |
| return; |
| |
| svg_alloc_legend(plot, num_traces * max); |
| |
| setup_axis(plot); |
| set_plot_label(plot, label); |
| |
| max_seconds = tf->mpstat_max_seconds; |
| |
| set_yticks(plot, num_yticks, 0, tf->mpstat_gld[gld_index]->max, ""); |
| set_ylabel(plot, "Percent"); |
| set_xticks(plot, num_xticks, tf->mpstat_min_seconds, max_seconds); |
| |
| reset_cpu_color(); |
| list_for_each_entry(tf, &all_traces, list) { |
| if (tf->mpstat_gld == 0) |
| break; |
| for (i = tf->mpstat_gld[0]->min_seconds; |
| i < tf->mpstat_gld[0]->stop_seconds; i++) { |
| if (tf->mpstat_gld[gld_index]->data[i].count) { |
| avg += (tf->mpstat_gld[gld_index]->data[i].sum / |
| tf->mpstat_gld[gld_index]->data[i].count); |
| } |
| } |
| avg /= tf->mpstat_gld[gld_index]->stop_seconds - |
| tf->mpstat_gld[gld_index]->min_seconds; |
| color = pick_cpu_color(); |
| svg_line_graph(plot, tf->mpstat_gld[0], color, 0, 0); |
| svg_add_legend(plot, tf->label, " avg", color); |
| |
| for (i = 1; i < tf->trace->mpstat_num_cpus + 1; i++) { |
| struct graph_line_data *gld = tf->mpstat_gld[i * MPSTAT_GRAPHS + gld_index]; |
| double this_avg = 0; |
| |
| for (gld_i = gld->min_seconds; |
| gld_i < gld->stop_seconds; gld_i++) { |
| if (gld->data[i].count) { |
| this_avg += gld->data[i].sum / |
| gld->data[i].count; |
| } |
| } |
| |
| this_avg /= gld->stop_seconds - gld->min_seconds; |
| |
| for (gld_i = gld->min_seconds; |
| gld_i < gld->stop_seconds; gld_i++) { |
| double val; |
| |
| if (gld->data[gld_i].count == 0) |
| continue; |
| val = (double)gld->data[gld_i].sum / |
| gld->data[gld_i].count; |
| |
| if (this_avg > avg + 30 || val > 95) { |
| color = pick_cpu_color(); |
| svg_line_graph(plot, gld, color, avg + 30, 95); |
| snprintf(line, line_len, " CPU %d\n", i - 1); |
| svg_add_legend(plot, tf->label, line, color); |
| plotted++; |
| break; |
| } |
| |
| } |
| } |
| } |
| |
| if (plot->add_xlabel) |
| set_xlabel(plot, "Time (seconds)"); |
| |
| if (!plot->no_legend) { |
| svg_write_legend(plot); |
| svg_free_legend(plot); |
| } |
| close_plot(plot); |
| total_graphs_written++; |
| } |
| |
| static void plot_queue_depth(struct plot *plot, int min_seconds, int max_seconds) |
| { |
| struct trace_file *tf; |
| |
| if (active_graphs[QUEUE_DEPTH_GRAPH_INDEX] == 0) |
| return; |
| |
| setup_axis(plot); |
| set_plot_label(plot, "Queue Depth"); |
| if (num_traces > 1) |
| svg_alloc_legend(plot, num_traces); |
| |
| tf = list_entry(all_traces.next, struct trace_file, list); |
| set_ylabel(plot, "Pending IO"); |
| set_yticks(plot, num_yticks, 0, tf->queue_depth_gld->max, ""); |
| set_xticks(plot, num_xticks, min_seconds, max_seconds); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| svg_line_graph(plot, tf->queue_depth_gld, tf->line_color, 0, 0); |
| if (num_traces > 1) |
| svg_add_legend(plot, tf->label, "", tf->line_color); |
| } |
| |
| if (plot->add_xlabel) |
| set_xlabel(plot, "Time (seconds)"); |
| if (num_traces > 1) |
| svg_write_legend(plot); |
| close_plot(plot); |
| total_graphs_written++; |
| } |
| |
| static void convert_movie_files(char *movie_dir) |
| { |
| fprintf(stderr, "Converting svg files in %s\n", movie_dir); |
| snprintf(line, line_len, "find %s -name \\*.svg | xargs -I{} -n 1 -P 8 rsvg-convert -o {}.png {}", |
| movie_dir); |
| system(line); |
| } |
| |
| static void mencode_movie(char *movie_dir) |
| { |
| fprintf(stderr, "Creating movie %s with ffmpeg\n", movie_dir); |
| snprintf(line, line_len, "ffmpeg -r 20 -y -i %s/%%10d-%s.svg.png -b:v 250k " |
| "-vcodec %s %s", movie_dir, output_filename, ffmpeg_codec, |
| output_filename); |
| system(line); |
| } |
| |
| static void tencode_movie(char *movie_dir) |
| { |
| fprintf(stderr, "Creating movie %s with png2theora\n", movie_dir); |
| snprintf(line, line_len, "png2theora -o %s %s/%%010d-%s.svg.png", |
| output_filename, movie_dir, output_filename); |
| system(line); |
| } |
| |
| static void encode_movie(char *movie_dir) |
| { |
| char *last_dot = strrchr(output_filename, '.'); |
| |
| if (last_dot && |
| (!strncmp(last_dot, ".ogg", 4) || !strncmp(last_dot, ".ogv", 4))) { |
| tencode_movie(movie_dir); |
| } else |
| mencode_movie(movie_dir); |
| } |
| |
| static void cleanup_movie(char *movie_dir) |
| { |
| if (keep_movie_svgs) { |
| fprintf(stderr, "Keeping movie dir %s\n", movie_dir); |
| return; |
| } |
| fprintf(stderr, "Removing movie dir %s\n", movie_dir); |
| snprintf(line, line_len, "rm %s/*", movie_dir); |
| system(line); |
| |
| snprintf(line, line_len, "rmdir %s", movie_dir); |
| system(line); |
| } |
| |
| static void plot_io_movie(struct plot *plot) |
| { |
| struct trace_file *tf; |
| char *movie_dir = create_movie_temp_dir(); |
| int i, pid; |
| struct plot_history *history; |
| int batch_i; |
| int movie_len = 30; |
| int movie_frames_per_sec = 20; |
| int total_frames = movie_len * movie_frames_per_sec; |
| int rows, cols; |
| int batch_count; |
| int graph_width_factor = 5; |
| int orig_y_offset; |
| |
| get_graph_size(&cols, &rows); |
| batch_count = cols / total_frames; |
| |
| if (batch_count == 0) |
| batch_count = 1; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| char label[256]; |
| char *pos; |
| |
| if (!tf->label) |
| label[0] = 0; |
| else { |
| strcpy(label, tf->label); |
| if (io_per_process) |
| strcat(label, " "); |
| } |
| pos = label + strlen(label); |
| |
| i = 0; |
| while (i < cols) { |
| snprintf(line, line_len, "%s/%010d-%s.svg", movie_dir, i, output_filename); |
| set_plot_output(plot, line); |
| set_plot_title(plot, graph_title); |
| orig_y_offset = plot->start_y_offset; |
| |
| plot->no_legend = 1; |
| |
| set_graph_size(cols / graph_width_factor, rows / 8); |
| plot->timeline = i / graph_width_factor; |
| |
| plot_tput(plot, tf->min_seconds, |
| tf->max_seconds); |
| |
| plot_cpu(plot, tf->max_seconds, |
| "CPU System Time", CPU_SYS_GRAPH_INDEX, MPSTAT_SYS); |
| |
| plot->direction = PLOT_ACROSS; |
| plot_queue_depth(plot, tf->min_seconds, tf->max_seconds); |
| |
| /* movie graph starts here */ |
| plot->start_y_offset = orig_y_offset; |
| set_graph_size(cols - cols / graph_width_factor, rows); |
| plot->no_legend = 0; |
| plot->timeline = 0; |
| plot->direction = PLOT_DOWN;; |
| |
| if (movie_style == MOVIE_SPINDLE) |
| setup_axis_spindle(plot); |
| else |
| setup_axis(plot); |
| |
| svg_alloc_legend(plot, count_io_plot_types() * 2); |
| |
| history = alloc_plot_history(tf); |
| history->col = i; |
| |
| for (pid = 0; pid < tf->io_plots; pid++) { |
| if (tf->gdd_reads[pid]) { |
| if (io_per_process) |
| strcpy(pos, tf->gdd_reads[pid]->label); |
| svg_add_legend(plot, label, " Reads", tf->gdd_reads[pid]->color); |
| } |
| if (tf->gdd_writes[pid]) { |
| if (io_per_process) |
| strcpy(pos, tf->gdd_writes[pid]->label); |
| svg_add_legend(plot, label, " Writes", tf->gdd_writes[pid]->color); |
| } |
| } |
| |
| batch_i = 0; |
| while (i < cols && batch_i < batch_count) { |
| for (pid = 0; pid < tf->io_plots; pid++) { |
| if (tf->gdd_reads[pid]) { |
| svg_io_graph_movie(tf->gdd_reads[pid], |
| history->read_pid_history[pid], |
| i); |
| } |
| if (tf->gdd_writes[pid]) { |
| svg_io_graph_movie(tf->gdd_writes[pid], |
| history->write_pid_history[pid], |
| i); |
| } |
| } |
| i++; |
| batch_i++; |
| } |
| |
| add_history(history, &movie_history); |
| |
| plot_movie_history(plot, &movie_history); |
| |
| svg_write_legend(plot); |
| close_plot(plot); |
| close_plot(plot); |
| |
| close_plot_file(plot); |
| } |
| free_all_plot_history(&movie_history); |
| } |
| convert_movie_files(movie_dir); |
| encode_movie(movie_dir); |
| cleanup_movie(movie_dir); |
| free(movie_dir); |
| } |
| |
| static void plot_latency(struct plot *plot, int min_seconds, int max_seconds) |
| { |
| struct trace_file *tf; |
| char *units; |
| char line[128]; |
| u64 max = 0; |
| |
| if (active_graphs[LATENCY_GRAPH_INDEX] == 0) |
| return; |
| |
| if (num_traces > 1) |
| svg_alloc_legend(plot, num_traces); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| if (tf->latency_gld->max > max) |
| max = tf->latency_gld->max; |
| } |
| |
| list_for_each_entry(tf, &all_traces, list) |
| tf->latency_gld->max = max; |
| |
| setup_axis(plot); |
| set_plot_label(plot, "IO Latency"); |
| |
| tf = list_entry(all_traces.next, struct trace_file, list); |
| |
| scale_line_graph_time(&max, &units); |
| sprintf(line, "latency (%ss)", units); |
| set_ylabel(plot, line); |
| set_yticks(plot, num_yticks, 0, max, ""); |
| set_xticks(plot, num_xticks, min_seconds, max_seconds); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| svg_line_graph(plot, tf->latency_gld, tf->line_color, 0, 0); |
| if (num_traces > 1) |
| svg_add_legend(plot, tf->label, "", tf->line_color); |
| } |
| |
| if (plot->add_xlabel) |
| set_xlabel(plot, "Time (seconds)"); |
| if (num_traces > 1) |
| svg_write_legend(plot); |
| close_plot(plot); |
| total_graphs_written++; |
| } |
| |
| static void plot_iops(struct plot *plot, int min_seconds, int max_seconds) |
| { |
| struct trace_file *tf; |
| char *units; |
| u64 max = 0; |
| |
| if (active_graphs[IOPS_GRAPH_INDEX] == 0) |
| return; |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| if (tf->iop_gld->max > max) |
| max = tf->iop_gld->max; |
| } |
| |
| list_for_each_entry(tf, &all_traces, list) |
| tf->iop_gld->max = max; |
| |
| setup_axis(plot); |
| set_plot_label(plot, "IOPs"); |
| if (num_traces > 1) |
| svg_alloc_legend(plot, num_traces); |
| |
| tf = list_entry(all_traces.next, struct trace_file, list); |
| |
| scale_line_graph_bytes(&max, &units, 1000); |
| set_ylabel(plot, "IO/s"); |
| |
| set_yticks(plot, num_yticks, 0, max, units); |
| set_xticks(plot, num_xticks, min_seconds, max_seconds); |
| |
| list_for_each_entry(tf, &all_traces, list) { |
| svg_line_graph(plot, tf->iop_gld, tf->line_color, 0, 0); |
| if (num_traces > 1) |
| svg_add_legend(plot, tf->label, "", tf->line_color); |
| } |
| |
| if (plot->add_xlabel) |
| set_xlabel(plot, "Time (seconds)"); |
| if (num_traces > 1) |
| svg_write_legend(plot); |
| |
| close_plot(plot); |
| total_graphs_written++; |
| } |
| |
| static void check_plot_columns(struct plot *plot, int index) |
| { |
| int count; |
| |
| if (columns > 1 && (total_graphs_written == 0 || |
| total_graphs_written % columns != 0)) { |
| count = graphs_left(index); |
| if (plot->direction == PLOT_DOWN) { |
| plot->start_x_offset = 0; |
| if (count <= columns) |
| plot->add_xlabel = 1; |
| } |
| plot->direction = PLOT_ACROSS; |
| |
| } else { |
| plot->direction = PLOT_DOWN; |
| if (index == last_active_graph) |
| plot->add_xlabel = 1; |
| } |
| |
| } |
| |
| enum { |
| HELP_LONG_OPT = 1, |
| }; |
| |
| char *option_string = "F:T:t:o:l:r:O:N:d:D:p:m::h:w:c:x:y:a:C:PK"; |
| static struct option long_options[] = { |
| {"columns", required_argument, 0, 'c'}, |
| {"fio-trace", required_argument, 0, 'F'}, |
| {"title", required_argument, 0, 'T'}, |
| {"trace", required_argument, 0, 't'}, |
| {"output", required_argument, 0, 'o'}, |
| {"label", required_argument, 0, 'l'}, |
| {"rolling", required_argument, 0, 'r'}, |
| {"no-graph", required_argument, 0, 'N'}, |
| {"only-graph", required_argument, 0, 'O'}, |
| {"device", required_argument, 0, 'd'}, |
| {"blktrace-destination", required_argument, 0, 'D'}, |
| {"prog", required_argument, 0, 'p'}, |
| {"movie", optional_argument, 0, 'm'}, |
| {"codec", optional_argument, 0, 'C'}, |
| {"keep-movie-svgs", no_argument, 0, 'K'}, |
| {"width", required_argument, 0, 'w'}, |
| {"height", required_argument, 0, 'h'}, |
| {"xzoom", required_argument, 0, 'x'}, |
| {"yzoom", required_argument, 0, 'y'}, |
| {"io-plot-action", required_argument, 0, 'a'}, |
| {"per-process-io", no_argument, 0, 'P'}, |
| {"help", no_argument, 0, HELP_LONG_OPT}, |
| {0, 0, 0, 0} |
| }; |
| |
| static void print_usage(void) |
| { |
| fprintf(stderr, "iowatcher usage:\n" |
| "\t-d (--device): device for blktrace to trace\n" |
| "\t-D (--blktrace-destination): destination for blktrace\n" |
| "\t-t (--trace): trace file name (more than one allowed)\n" |
| "\t-F (--fio-trace): fio bandwidth trace (more than one allowed)\n" |
| "\t-l (--label): trace label in the graph\n" |
| "\t-o (--output): output file name (SVG only)\n" |
| "\t-p (--prog): program to run while blktrace is run\n" |
| "\t-K (--keep-movie-svgs keep svgs generated for movie mode\n" |
| "\t-m (--movie [=spindle|rect]): create IO animations\n" |
| "\t-C (--codec): ffmpeg codec. Use ffmpeg -codecs to list\n" |
| "\t-r (--rolling): number of seconds in the rolling averge\n" |
| "\t-T (--title): graph title\n" |
| "\t-N (--no-graph): skip a single graph (io, tput, latency, queue_depth, \n" |
| "\t\t\tiops, cpu-sys, cpu-io, cpu-irq cpu-soft cpu-user)\n" |
| "\t-O (--only-graph): add a single graph to the output\n" |
| "\t-h (--height): set the height of each graph\n" |
| "\t-w (--width): set the width of each graph\n" |
| "\t-c (--columns): numbers of columns in graph output\n" |
| "\t-x (--xzoom): limit processed time to min:max\n" |
| "\t-y (--yzoom): limit processed sectors to min:max\n" |
| "\t-a (--io-plot-action): plot given action (one of Q,D,C) in IO graph\n" |
| "\t-P (--per-process-io): distinguish between processes in IO graph\n" |
| ); |
| exit(1); |
| } |
| |
| static int parse_double_range(char *str, double *min, double *max) |
| { |
| char *end; |
| |
| /* Empty lower bound - leave original value */ |
| if (str[0] != ':') { |
| *min = strtod(str, &end); |
| if (*min == HUGE_VAL || *min == -HUGE_VAL) |
| return -ERANGE; |
| if (*end != ':') |
| return -EINVAL; |
| } else |
| end = str; |
| /* Empty upper bound - leave original value */ |
| if (end[1]) { |
| *max = strtod(end+1, &end); |
| if (*max == HUGE_VAL || *max == -HUGE_VAL) |
| return -ERANGE; |
| if (*end != 0) |
| return -EINVAL; |
| } |
| if (*min > *max) |
| return -EINVAL; |
| return 0; |
| } |
| |
| static int parse_ull_range(char *str, unsigned long long *min, |
| unsigned long long *max) |
| { |
| char *end; |
| |
| /* Empty lower bound - leave original value */ |
| if (str[0] != ':') { |
| *min = strtoull(str, &end, 10); |
| if (*min == ULLONG_MAX && errno == ERANGE) |
| return -ERANGE; |
| if (*end != ':') |
| return -EINVAL; |
| } else |
| end = str; |
| /* Empty upper bound - leave original value */ |
| if (end[1]) { |
| *max = strtoull(end+1, &end, 10); |
| if (*max == ULLONG_MAX && errno == ERANGE) |
| return -ERANGE; |
| if (*end != 0) |
| return -EINVAL; |
| } |
| if (*min > *max) |
| return -EINVAL; |
| return 0; |
| } |
| |
| static int parse_options(int ac, char **av) |
| { |
| int c; |
| int disabled = 0; |
| |
| while (1) { |
| // int this_option_optind = optind ? optind : 1; |
| int option_index = 0; |
| |
| c = getopt_long(ac, av, option_string, |
| long_options, &option_index); |
| |
| if (c == -1) |
| break; |
| |
| switch(c) { |
| case 'T': |
| graph_title = strdup(optarg); |
| break; |
| case 't': |
| add_trace_file(optarg); |
| set_blktrace_outfile(optarg); |
| break; |
| case 'F': |
| add_fio_trace_file(optarg); |
| break; |
| case 'o': |
| output_filename = strdup(optarg); |
| break; |
| case 'l': |
| set_trace_label(optarg); |
| break; |
| case 'r': |
| set_rolling_avg(atoi(optarg)); |
| break; |
| case 'O': |
| if (!disabled) { |
| disable_all_graphs(); |
| disabled = 1; |
| } |
| enable_one_graph(optarg); |
| break; |
| case 'N': |
| disable_one_graph(optarg); |
| break; |
| case 'd': |
| if (num_blktrace_devices == MAX_DEVICES_PER_TRACE - 1) { |
| fprintf(stderr, "Too many blktrace devices provided\n"); |
| exit(1); |
| } |
| blktrace_devices[num_blktrace_devices++] = strdup(optarg); |
| break; |
| case 'D': |
| blktrace_dest_dir = strdup(optarg); |
| if (!strcmp(blktrace_dest_dir, "")) { |
| fprintf(stderr, "Need a directory\n"); |
| print_usage(); |
| } |
| break; |
| case 'p': |
| program_to_run = strdup(optarg); |
| break; |
| case 'K': |
| keep_movie_svgs = 1; |
| break; |
| case 'm': |
| make_movie = 1; |
| if (optarg) { |
| movie_style = lookup_movie_style(optarg); |
| if (movie_style < 0) { |
| fprintf(stderr, "Unknown movie style %s\n", optarg); |
| print_usage(); |
| } |
| } |
| fprintf(stderr, "Using movie style: %s\n", |
| movie_styles[movie_style]); |
| break; |
| case 'C': |
| ffmpeg_codec = strdup(optarg); |
| break; |
| case 'h': |
| opt_graph_height = atoi(optarg); |
| break; |
| case 'w': |
| opt_graph_width = atoi(optarg); |
| break; |
| case 'c': |
| columns = atoi(optarg); |
| break; |
| case 'x': |
| if (parse_double_range(optarg, &min_time, &max_time) |
| < 0) { |
| fprintf(stderr, "Cannot parse time range %s\n", |
| optarg); |
| exit(1); |
| } |
| break; |
| case 'y': |
| if (parse_ull_range(optarg, &min_mb, &max_mb) |
| < 0) { |
| fprintf(stderr, |
| "Cannot parse offset range %s\n", |
| optarg); |
| exit(1); |
| } |
| if (max_mb > ULLONG_MAX >> 20) { |
| fprintf(stderr, |
| "Upper range limit too big." |
| " Maximum is %llu.\n", ULLONG_MAX >> 20); |
| exit(1); |
| } |
| break; |
| case 'a': |
| if (strlen(optarg) != 1) { |
| action_err: |
| fprintf(stderr, "Action must be one of Q, D, C."); |
| exit(1); |
| } |
| plot_io_action = action_char_to_num(optarg[0]); |
| if (plot_io_action < 0) |
| goto action_err; |
| break; |
| case 'P': |
| io_per_process = 1; |
| break; |
| case '?': |
| case HELP_LONG_OPT: |
| print_usage(); |
| break; |
| default: |
| break; |
| } |
| } |
| return 0; |
| } |
| |
| static void dest_mkdir(char *dir) |
| { |
| int ret; |
| |
| ret = mkdir(dir, 0777); |
| if (ret && errno != EEXIST) { |
| fprintf(stderr, "failed to mkdir error %s\n", strerror(errno)); |
| exit(errno); |
| } |
| } |
| |
| int main(int ac, char **av) |
| { |
| struct plot *plot; |
| int min_seconds = 0; |
| int max_seconds = 0; |
| u64 max_offset = 0; |
| u64 min_offset = ~(u64)0; |
| struct trace_file *tf; |
| int ret; |
| int rows, cols; |
| |
| init_io_hash_table(); |
| init_process_hash_table(); |
| |
| enable_all_graphs(); |
| |
| parse_options(ac, av); |
| |
| last_active_graph = last_graph(); |
| if (make_movie) { |
| set_io_graph_scale(256); |
| if (movie_style == MOVIE_SPINDLE) |
| set_graph_size(750, 550); |
| else |
| set_graph_size(700, 400); |
| |
| /* |
| * the plots in the movie don't have a seconds |
| * line yet, this makes us skip it |
| */ |
| last_active_graph = TOTAL_GRAPHS + 1; |
| } |
| if (opt_graph_height) |
| set_graph_height(opt_graph_height); |
| |
| if (opt_graph_width) |
| set_graph_width(opt_graph_width); |
| |
| if (list_empty(&all_traces) && list_empty(&fio_traces)) { |
| fprintf(stderr, "No traces found, exiting\n"); |
| exit(1); |
| } |
| |
| if (num_blktrace_devices) { |
| char *path; |
| |
| dest_mkdir(blktrace_dest_dir); |
| if (num_blktrace_devices > 1) { |
| snprintf(line, line_len, "%s/%s", blktrace_dest_dir, |
| blktrace_outfile); |
| dest_mkdir(line); |
| } |
| |
| path = join_path(blktrace_dest_dir, blktrace_outfile); |
| |
| snprintf(line, line_len, "%s.dump", path); |
| unlink(line); |
| |
| ret = start_blktrace(blktrace_devices, num_blktrace_devices, |
| blktrace_outfile, blktrace_dest_dir); |
| if (ret) { |
| fprintf(stderr, "exiting due to blktrace failure\n"); |
| exit(1); |
| } |
| |
| start_mpstat(path); |
| if (program_to_run) { |
| ret = run_program(program_to_run); |
| if (ret) { |
| fprintf(stderr, "failed to run %s\n", |
| program_to_run); |
| exit(1); |
| } |
| wait_for_tracers(); |
| } else { |
| /* no program specified, just wait for |
| * blktrace to exit |
| */ |
| wait_for_tracers(); |
| } |
| free(path); |
| } |
| |
| /* step one, read all the traces */ |
| read_traces(); |
| |
| /* step two, find the maxes for time and offset */ |
| list_for_each_entry(tf, &all_traces, list) |
| compare_minmax_tf(tf, &max_seconds, &min_offset, &max_offset); |
| list_for_each_entry(tf, &fio_traces, list) |
| compare_minmax_tf(tf, &max_seconds, &min_offset, &max_offset); |
| min_seconds = min_time; |
| if (max_seconds > max_time) |
| max_seconds = ceil(max_time); |
| if (min_offset < min_mb << 20) |
| min_offset = min_mb << 20; |
| if (max_offset > max_mb << 20) |
| max_offset = max_mb << 20; |
| |
| /* push the max we found into all the tfs */ |
| set_all_minmax_tf(min_seconds, max_seconds, min_offset, max_offset); |
| |
| /* alloc graphing structs for all the traces */ |
| setup_trace_file_graphs(); |
| |
| /* run through all the traces and read their events */ |
| read_trace_events(); |
| |
| pick_line_graph_color(); |
| |
| plot = alloc_plot(); |
| |
| if (make_movie) { |
| set_legend_width(longest_label + longest_proc_name + 1 + strlen("writes")); |
| plot_io_movie(plot); |
| exit(0); |
| } |
| |
| set_plot_output(plot, output_filename); |
| |
| if (active_graphs[IO_GRAPH_INDEX] || found_mpstat) |
| set_legend_width(longest_label + longest_proc_name + 1 + strlen("writes")); |
| else if (num_traces >= 1 || num_fio_traces >= 1) |
| set_legend_width(longest_label); |
| else |
| set_legend_width(0); |
| |
| get_graph_size(&cols, &rows); |
| if (columns > 1) |
| plot->add_xlabel = 1; |
| set_plot_title(plot, graph_title); |
| |
| check_plot_columns(plot, IO_GRAPH_INDEX); |
| plot_io(plot, min_seconds, max_seconds, min_offset, max_offset); |
| plot->add_xlabel = 0; |
| |
| if (columns > 1) { |
| set_graph_size(cols / columns, rows); |
| num_xticks /= columns; |
| if (num_xticks < 2) |
| num_xticks = 2; |
| } |
| if (rows <= 50) |
| num_yticks--; |
| |
| check_plot_columns(plot, TPUT_GRAPH_INDEX); |
| plot_tput(plot, min_seconds, max_seconds); |
| |
| check_plot_columns(plot, FIO_GRAPH_INDEX); |
| plot_fio_tput(plot, min_seconds, max_seconds); |
| |
| check_plot_columns(plot, CPU_IO_GRAPH_INDEX); |
| plot_cpu(plot, max_seconds, "CPU IO Wait Time", |
| CPU_IO_GRAPH_INDEX, MPSTAT_IO); |
| |
| check_plot_columns(plot, CPU_SYS_GRAPH_INDEX); |
| plot_cpu(plot, max_seconds, "CPU System Time", |
| CPU_SYS_GRAPH_INDEX, MPSTAT_SYS); |
| |
| check_plot_columns(plot, CPU_IRQ_GRAPH_INDEX); |
| plot_cpu(plot, max_seconds, "CPU IRQ Time", |
| CPU_IRQ_GRAPH_INDEX, MPSTAT_IRQ); |
| |
| check_plot_columns(plot, CPU_SOFT_GRAPH_INDEX); |
| plot_cpu(plot, max_seconds, "CPU SoftIRQ Time", |
| CPU_SOFT_GRAPH_INDEX, MPSTAT_SOFT); |
| |
| check_plot_columns(plot, CPU_USER_GRAPH_INDEX); |
| plot_cpu(plot, max_seconds, "CPU User Time", |
| CPU_USER_GRAPH_INDEX, MPSTAT_USER); |
| |
| check_plot_columns(plot, LATENCY_GRAPH_INDEX); |
| plot_latency(plot, min_seconds, max_seconds); |
| |
| check_plot_columns(plot, QUEUE_DEPTH_GRAPH_INDEX); |
| plot_queue_depth(plot, min_seconds, max_seconds); |
| |
| check_plot_columns(plot, IOPS_GRAPH_INDEX); |
| plot_iops(plot, min_seconds, max_seconds); |
| |
| /* once for all */ |
| close_plot(plot); |
| close_plot_file(plot); |
| return 0; |
| } |