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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-07-29 14:08:55 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-07-29 14:08:55 -0300 |
commit | 39d17dacb3c25df878b56aa80a170d6088e041f9 (patch) | |
tree | 1f78086d224ae875c024c3dc8fda0948b776f69e /tools | |
parent | 8c31a1e049a0c26f78558d7cc5a9ab6956c86694 (diff) | |
download | op-kernel-dev-39d17dacb3c25df878b56aa80a170d6088e041f9.zip op-kernel-dev-39d17dacb3c25df878b56aa80a170d6088e041f9.tar.gz |
perf record: Release resources at exit
So that we can reduce the noise on valgrind when looking for memory
leaks.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/builtin-record.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index b938796..5ae0d93 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -439,6 +439,7 @@ static void atexit_header(void) process_buildids(); perf_header__write(&session->header, output, true); + perf_session__delete(session); } } @@ -558,12 +559,15 @@ static int __cmd_record(int argc, const char **argv) if (!file_new) { err = perf_header__read(session, output); if (err < 0) - return err; + goto out_delete_session; } if (have_tracepoints(attrs, nr_counters)) perf_header__set_feat(&session->header, HEADER_TRACE_INFO); + /* + * perf_session__delete(session) will be called at atexit_header() + */ atexit(atexit_header); if (forks) { @@ -768,6 +772,10 @@ static int __cmd_record(int argc, const char **argv) bytes_written / 24); return 0; + +out_delete_session: + perf_session__delete(session); + return err; } static const char * const record_usage[] = { @@ -824,7 +832,7 @@ static const struct option options[] = { int cmd_record(int argc, const char **argv, const char *prefix __used) { - int i,j; + int i, j, err = -ENOMEM; argc = parse_options(argc, argv, options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); @@ -873,13 +881,13 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) for (j = 0; j < MAX_COUNTERS; j++) { fd[i][j] = malloc(sizeof(int)*thread_num); if (!fd[i][j]) - return -ENOMEM; + goto out_free_fd; } } event_array = malloc( sizeof(struct pollfd)*MAX_NR_CPUS*MAX_COUNTERS*thread_num); if (!event_array) - return -ENOMEM; + goto out_free_fd; if (user_interval != ULLONG_MAX) default_interval = user_interval; @@ -895,8 +903,20 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) default_interval = freq; } else { fprintf(stderr, "frequency and count are zero, aborting\n"); - exit(EXIT_FAILURE); + err = -EINVAL; + goto out_free_event_array; } - return __cmd_record(argc, argv); + err = __cmd_record(argc, argv); + +out_free_event_array: + free(event_array); +out_free_fd: + for (i = 0; i < MAX_NR_CPUS; i++) { + for (j = 0; j < MAX_COUNTERS; j++) + free(fd[i][j]); + } + free(all_tids); + all_tids = NULL; + return err; } |