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perf evlist: Move the SIGUSR1 error reporting logic to prepare_workload

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So that we have the boilerplate in the preparation method, instead of
open coded in tools wanting the reporting when the exec fails.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-purbdzcphdveskh7wwmnm4t7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2014-01-03 14:56:49 -03:00
parent f33cbe72e6
commit 735f7e0bbe
7 changed files with 32 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

16
tools/perf/builtin-record.c
View file

@ -390,7 +390,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
if (forks) {
err = perf_evlist__prepare_workload(evsel_list, &opts->target,
argv, file->is_pipe,
true);
workload_exec_failed_signal);
if (err < 0) {
pr_err("Couldn't run the workload!\n");
goto out_delete_session;
@ -507,20 +507,8 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
/*
* Let the child rip
*/
if (forks) {
struct sigaction act = {
.sa_flags = SA_SIGINFO,
.sa_sigaction = workload_exec_failed_signal,
};
/*
* perf_evlist__prepare_workload will, after we call
* perf_evlist__start_Workload, send a SIGUSR1 if the exec call
* fails, that we will catch in workload_signal to flip
* workload_exec_errno.
*/
sigaction(SIGUSR1, &act, NULL);
if (forks)
perf_evlist__start_workload(evsel_list);
}
for (;;) {
int hits = rec->samples;