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perf tools: Don't die() in perf_header_attr__add_id()

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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>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-11-17 01:18:10 -02:00 committed by Ingo Molnar
parent 11deb1f9f6
commit 5875412152
3 changed files with 17 additions and 8 deletions
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5
tools/perf/builtin-record.c
View file

@ -327,7 +327,10 @@ static void create_counter(int counter, int cpu, pid_t pid)
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);

18
tools/perf/util/header.c
View file

@ -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");

2
tools/perf/util/header.h
View file

@ -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 *