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authorIngo Molnar <mingo@kernel.org>2016-05-11 16:56:38 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-11 16:56:38 +0200
commitd2950158d0d7bc376503393ca5f73f6f8d27c56b (patch)
tree7daa04400d833bd722258a49d56a39acfb392520 /tools
parentMerge tag 'perf-core-for-mingo-20160506' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (diff)
parentperf diff: Fix duplicated output column (diff)
downloadlinux-dev-d2950158d0d7bc376503393ca5f73f6f8d27c56b.tar.xz
linux-dev-d2950158d0d7bc376503393ca5f73f6f8d27c56b.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/net/bpf_jit_disasm.c3
-rw-r--r--tools/perf/util/sort.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/tools/net/bpf_jit_disasm.c b/tools/net/bpf_jit_disasm.c
index 5b3241340945..544b05a53b70 100644
--- a/tools/net/bpf_jit_disasm.c
+++ b/tools/net/bpf_jit_disasm.c
@@ -98,6 +98,9 @@ static char *get_klog_buff(unsigned int *klen)
char *buff;
len = klogctl(CMD_ACTION_SIZE_BUFFER, NULL, 0);
+ if (len < 0)
+ return NULL;
+
buff = malloc(len);
if (!buff)
return NULL;
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 772e2e461ec3..20e69edd5006 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2438,6 +2438,9 @@ static char *prefix_if_not_in(const char *pre, char *str)
static char *setup_overhead(char *keys)
{
+ if (sort__mode == SORT_MODE__DIFF)
+ return keys;
+
keys = prefix_if_not_in("overhead", keys);
if (symbol_conf.cumulate_callchain)