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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-11-17 01:18:10 -0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-17 07:19:55 +0100 |
| commit | 5875412152ce67fb5087157b86ab6597f91d23e8 (patch) | |
| tree | 5a148dcc777433f0d097ffa072b8b1a5b0a5c346 /tools | |
| parent | 11deb1f9f6ca6318fa9470e024b9f0634df48b4c (diff) | |
| download | kernel_samsung_smdk4412-5875412152ce67fb5087157b86ab6597f91d23e8.zip kernel_samsung_smdk4412-5875412152ce67fb5087157b86ab6597f91d23e8.tar.gz kernel_samsung_smdk4412-5875412152ce67fb5087157b86ab6597f91d23e8.tar.bz2 | |
perf tools: Don't die() in perf_header_attr__add_id()
Propagate the errors instead, the users are the ones to decide
what to do if a library call fails.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1258427892-16312-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-record.c | 5 | ||||
| -rw-r--r-- | tools/perf/util/header.c | 18 | ||||
| -rw-r--r-- | tools/perf/util/header.h | 2 |
3 files changed, 17 insertions, 8 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 5411be4..2a85205 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -327,7 +327,10 @@ try_again: exit(-1); } - perf_header_attr__add_id(h_attr, read_data.id); + if (perf_header_attr__add_id(h_attr, read_data.id) < 0) { + pr_warning("Not enough memory to add id\n"); + exit(-1); + } assert(fd[nr_cpu][counter] >= 0); fcntl(fd[nr_cpu][counter], F_SETFL, O_NONBLOCK); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 23ccdda..dee1ed2 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -39,18 +39,23 @@ void perf_header_attr__delete(struct perf_header_attr *self) free(self); } -void perf_header_attr__add_id(struct perf_header_attr *self, u64 id) +int perf_header_attr__add_id(struct perf_header_attr *self, u64 id) { int pos = self->ids; self->ids++; if (self->ids > self->size) { - self->size *= 2; - self->id = realloc(self->id, self->size * sizeof(u64)); - if (!self->id) - die("nomem"); + int nsize = self->size * 2; + u64 *nid = realloc(self->id, nsize * sizeof(u64)); + + if (nid == NULL) + return -1; + + self->size = nsize; + self->id = nid; } self->id[pos] = id; + return 0; } /* @@ -444,7 +449,8 @@ struct perf_header *perf_header__read(int fd) for (j = 0; j < nr_ids; j++) { do_read(fd, &f_id, sizeof(f_id)); - perf_header_attr__add_id(attr, f_id); + if (perf_header_attr__add_id(attr, f_id) < 0) + die("nomem"); } if (perf_header__add_attr(self, attr) < 0) die("nomem"); diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index b0d5cd7..f46a94e 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -67,7 +67,7 @@ char *perf_header__find_event(u64 id); struct perf_header_attr *perf_header_attr__new(struct perf_event_attr *attr); void perf_header_attr__delete(struct perf_header_attr *self); -void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); +int perf_header_attr__add_id(struct perf_header_attr *self, u64 id); u64 perf_header__sample_type(struct perf_header *header); struct perf_event_attr * |