Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf tools: Add group event scheduling option to perf record/stat
MAINTAINERS: Fix list of perf events source files
perf tools: Fix build against newer glibc
perf tools: Fix error handling of unknown events
perf evlist: Fix missing event name init for default event
perf list: Fix exit value
diff --git a/MAINTAINERS b/MAINTAINERS
index 1d445f5..069ee3b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4971,7 +4971,7 @@
M: Ingo Molnar <mingo@elte.hu>
M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
S: Supported
-F: kernel/perf_event*.c
+F: kernel/events/*
F: include/linux/perf_event.h
F: arch/*/kernel/perf_event*.c
F: arch/*/kernel/*/perf_event*.c
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index f6426b4..6b0519f 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -45,7 +45,7 @@
static int output;
static int pipe_output = 0;
static const char *output_name = NULL;
-static int group = 0;
+static bool group = false;
static int realtime_prio = 0;
static bool nodelay = false;
static bool raw_samples = false;
@@ -753,6 +753,8 @@
"child tasks do not inherit counters"),
OPT_UINTEGER('F', "freq", &user_freq, "profile at this frequency"),
OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"),
+ OPT_BOOLEAN(0, "group", &group,
+ "put the counters into a counter group"),
OPT_BOOLEAN('g', "call-graph", &call_graph,
"do call-graph (stack chain/backtrace) recording"),
OPT_INCR('v', "verbose", &verbose,
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 1ad04ce..5deb17d 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -193,6 +193,7 @@
static const char *cpu_list;
static const char *csv_sep = NULL;
static bool csv_output = false;
+static bool group = false;
static volatile int done = 0;
@@ -280,14 +281,14 @@
attr->inherit = !no_inherit;
if (system_wide)
- return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, false);
+ return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group);
if (target_pid == -1 && target_tid == -1) {
attr->disabled = 1;
attr->enable_on_exec = 1;
}
- return perf_evsel__open_per_thread(evsel, evsel_list->threads, false);
+ return perf_evsel__open_per_thread(evsel, evsel_list->threads, group);
}
/*
@@ -1043,6 +1044,8 @@
"stat events on existing thread id"),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
+ OPT_BOOLEAN('g', "group", &group,
+ "put the counters into a counter group"),
OPT_BOOLEAN('c', "scale", &scale,
"scale/normalize counters"),
OPT_INCR('v', "verbose", &verbose,
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index e03e7bc..c12bd47 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -85,10 +85,19 @@
struct perf_evsel *evsel = perf_evsel__new(&attr, 0);
if (evsel == NULL)
- return -ENOMEM;
+ goto error;
+
+ /* use strdup() because free(evsel) assumes name is allocated */
+ evsel->name = strdup("cycles");
+ if (!evsel->name)
+ goto error_free;
perf_evlist__add(evlist, evsel);
return 0;
+error_free:
+ perf_evsel__delete(evsel);
+error:
+ return -ENOMEM;
}
void perf_evlist__disable(struct perf_evlist *evlist)
diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h
index 791f9dd..547628e 100644
--- a/tools/perf/util/include/linux/compiler.h
+++ b/tools/perf/util/include/linux/compiler.h
@@ -5,7 +5,9 @@
#define __always_inline inline
#endif
#define __user
+#ifndef __attribute_const__
#define __attribute_const__
+#endif
#define __used __attribute__((__unused__))
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 4ea7e19..928918b 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -697,7 +697,11 @@
return EVT_FAILED;
n = hex2u64(str + 1, &config);
if (n > 0) {
- *strp = str + n + 1;
+ const char *end = str + n + 1;
+ if (*end != '\0' && *end != ',' && *end != ':')
+ return EVT_FAILED;
+
+ *strp = end;
attr->type = PERF_TYPE_RAW;
attr->config = config;
return EVT_HANDLED;
@@ -1097,6 +1101,4 @@
printf("\n");
print_tracepoint_events(NULL, NULL);
-
- exit(129);
}
