Commit 8f6544ed authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'perf-urgent-for-linus' of...

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
parents 4762e252 fe4c51b2
......@@ -4971,7 +4971,7 @@ M: Paul Mackerras <paulus@samba.org>
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
......
......@@ -45,7 +45,7 @@ static int freq = 1000;
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 @@ const struct option record_options[] = {
"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,
......
......@@ -193,6 +193,7 @@ static int big_num_opt = -1;
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 @@ static int create_perf_stat_counter(struct perf_evsel *evsel)
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 @@ static const struct option options[] = {
"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,
......
......@@ -85,10 +85,19 @@ int perf_evlist__add_default(struct perf_evlist *evlist)
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)
......
......@@ -5,7 +5,9 @@
#define __always_inline inline
#endif
#define __user
#ifndef __attribute_const__
#define __attribute_const__
#endif
#define __used __attribute__((__unused__))
......
......@@ -697,7 +697,11 @@ parse_raw_event(const char **strp, struct perf_event_attr *attr)
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 @@ void print_events(const char *event_glob)
printf("\n");
print_tracepoint_events(NULL, NULL);
exit(129);
}
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