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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2009-10-04 01:35:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-04 19:37:39 +0200 |
| commit | 933da83aa17939a78d59708321c0b27d0ec8c6ce (patch) | |
| tree | 623ef9032ef6321179a389147a3296f064037504 | |
| parent | 1ad0560e8cdb6d5b381220dc2da187691b5ce124 (diff) | |
| download | kernel-common-933da83aa17939a78d59708321c0b27d0ec8c6ce.tar.gz kernel-common-933da83aa17939a78d59708321c0b27d0ec8c6ce.tar.bz2 kernel-common-933da83aa17939a78d59708321c0b27d0ec8c6ce.zip | |
perf: Propagate term signal to child
If we launch the child on behalf of the user, ensure that it dies
along with ourselves when we are interrupted.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
LKML-Reference: <1254616502-4728-1-git-send-email-chris@chris-wilson.co.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | tools/perf/builtin-record.c | 6 | ||||
| -rw-r--r-- | tools/perf/builtin-stat.c | 8 |
2 files changed, 13 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index a5a050af8e7d..3eeef339c787 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -41,6 +41,7 @@ static int raw_samples = 0; static int system_wide = 0; static int profile_cpu = -1; static pid_t target_pid = -1; +static pid_t child_pid = -1; static int inherit = 1; static int force = 0; static int append_file = 0; @@ -184,6 +185,9 @@ static void sig_handler(int sig) static void sig_atexit(void) { + if (child_pid != -1) + kill(child_pid, SIGTERM); + if (signr == -1) return; @@ -610,6 +614,8 @@ static int __cmd_record(int argc, const char **argv) exit(-1); } } + + child_pid = pid; } if (realtime_prio) { diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index e5f6ece65a13..3db31e7bf173 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -69,7 +69,8 @@ static int run_idx = 0; static int run_count = 1; static int inherit = 1; static int scale = 1; -static int target_pid = -1; +static pid_t target_pid = -1; +static pid_t child_pid = -1; static int null_run = 0; static int fd[MAX_NR_CPUS][MAX_COUNTERS]; @@ -285,6 +286,8 @@ static int run_perf_stat(int argc __used, const char **argv) exit(-1); } + child_pid = pid; + /* * Wait for the child to be ready to exec. */ @@ -433,6 +436,9 @@ static void skip_signal(int signo) static void sig_atexit(void) { + if (child_pid != -1) + kill(child_pid, SIGTERM); + if (signr == -1) return; |