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authorArnaldo Carvalho de Melo <acme@redhat.com>2015-01-22 11:08:04 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-01-22 11:16:34 -0300
commit5ed08dae9d2f2307c103e2dce94d801e74aefae4 (patch)
tree3a847cc43d412e1343b4058e45aca9291cb6d972 /tools
parent801c67b05f55d0cdafcda9fdcbb3da375b03c192 (diff)
perf trace: Fix error reporting for evsel pgfault constructor
In that case the only failure possible is not to have enough memory, as we are just creating the evsels, not trying to access any system facility such as debugfs files or syscalls. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-7k6asvfhiwiu2zs6o2oknchk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-trace.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 684609d7a83d..eaaa540bf1f3 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2063,18 +2063,12 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
if ((trace->trace_pgfaults & TRACE_PFMAJ) &&
perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MAJ)) {
- /*
- * FIXME: This one needs better error handling, as by now we
- * already checked that debugfs is mounted and that we have access to it,
- * so probably the case is that something is busted wrt this specific
- * software event, ditto for the next gotos to out_error_tp...
- */
- goto out_error_tp;
+ goto out_error_mem;
}
if ((trace->trace_pgfaults & TRACE_PFMIN) &&
perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MIN))
- goto out_error_tp;
+ goto out_error_mem;
if (trace->sched &&
perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime",
@@ -2225,6 +2219,9 @@ out_error:
fprintf(trace->output, "%s\n", errbuf);
goto out_delete_evlist;
}
+out_error_mem:
+ fprintf(trace->output, "Not enough memory to run!\n");
+ goto out_delete_evlist;
}
static int trace__replay(struct trace *trace)