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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-08 00:38:11 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-08 00:38:11 +0400
commit54a0f91301950af3d6ae2ff2bf710c9c68a9bfea (patch)
treeffcdf0b916f9c5f805cab347e53b60be17c9aead /tools/perf/builtin-record.c
parent94956eed14b4b16d401c8ad36d68df0608f968cb (diff)
parentf9e3d4b1a9c86217655997d3ef109b1eaae967bc (diff)
downloadlinux-54a0f91301950af3d6ae2ff2bf710c9c68a9bfea.tar.xz
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf top: Fix live annotation in the --stdio interface perf top tui: Don't recalc column widths considering just the first page perf report: Add progress bar when processing time ordered events perf hists browser: Warn about lost events perf tools: Fix a typo of command name as trace-cmd perf hists: Fix recalculation of total_period when sorting entries perf header: Fix build on old systems perf ui browser: Handle K_RESIZE in dialog windows perf ui browser: No need to switch char sets that often perf hists browser: Use K_TIMER perf ui: Rename ui__warning_paranoid to ui__error_paranoid perf ui: Reimplement the popup windows using libslang perf ui: Reimplement ui__popup_menu using ui__browser perf ui: Reimplement ui_helpline using libslang perf ui: Improve handling sigwinch a bit perf ui progress: Reimplement using slang perf evlist: Fix grouping of multiple events
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index f82480fa7f27..6ab58cc99d53 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -262,13 +262,16 @@ static bool perf_evlist__equal(struct perf_evlist *evlist,
static void open_counters(struct perf_evlist *evlist)
{
- struct perf_evsel *pos;
+ struct perf_evsel *pos, *first;
if (evlist->cpus->map[0] < 0)
no_inherit = true;
+ first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
list_for_each_entry(pos, &evlist->entries, node) {
struct perf_event_attr *attr = &pos->attr;
+ struct xyarray *group_fd = NULL;
/*
* Check if parse_single_tracepoint_event has already asked for
* PERF_SAMPLE_TIME.
@@ -283,15 +286,19 @@ static void open_counters(struct perf_evlist *evlist)
*/
bool time_needed = attr->sample_type & PERF_SAMPLE_TIME;
+ if (group && pos != first)
+ group_fd = first->fd;
+
config_attr(pos, evlist);
retry_sample_id:
attr->sample_id_all = sample_id_all_avail ? 1 : 0;
try_again:
- if (perf_evsel__open(pos, evlist->cpus, evlist->threads, group) < 0) {
+ if (perf_evsel__open(pos, evlist->cpus, evlist->threads, group,
+ group_fd) < 0) {
int err = errno;
if (err == EPERM || err == EACCES) {
- ui__warning_paranoid();
+ ui__error_paranoid();
exit(EXIT_FAILURE);
} else if (err == ENODEV && cpu_list) {
die("No such device - did you specify"