diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-02-01 15:32:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-01 15:33:25 +0100 |
| commit | d7cb3a507d23ef42574709fc5f2ca954e274ff91 (patch) | |
| tree | 59e92e79a9afb5e7bc8e75c39f88cbffcad382e4 /tools/perf/builtin-kmem.c | |
| parent | 5443624bedd0d23e112d5f2a919435182875bce9 (diff) | |
| parent | b05d1093987a78695766b71a2d723aa65b5c25c5 (diff) | |
Merge tag 'perf-core-for-mingo-4.11-20170201' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
New features:
- Allow configuring a 'perf ftrace' default --tracer (Taeung Song)
Infrastructure changes:
- Sync tools/arch/{powerpc,arm}/include/uapi/asm/kvm.h and
tools/arch/x86/include/asm/cpufeatures.h (Ingo Molnar)
- Add BPF program file system pinning APIs and respective
'perf test' entry (Joe Stringer)
- Make tools tree support 'make -s' (Josh Poimboeuf)
- Reference count maps in callchains, fixing SEGFAULT when
referencing maps after it is freed (Krister Johansen)
- Create for_each_event trace points iterator (Taeung Song)
- Do not consider an error not to have any perfconfig file
(Arnaldo Carvalho de Melo
- Propagate perf_config() errors (Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/builtin-kmem.c')
| -rw-r--r-- | tools/perf/builtin-kmem.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 915869e00d86..29f4751a3574 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -1920,10 +1920,12 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) NULL }; struct perf_session *session; - int ret = -1; const char errmsg[] = "No %s allocation events found. Have you run 'perf kmem record --%s'?\n"; + int ret = perf_config(kmem_config, NULL); + + if (ret) + return ret; - perf_config(kmem_config, NULL); argc = parse_options_subcommand(argc, argv, kmem_options, kmem_subcommands, kmem_usage, 0); @@ -1948,6 +1950,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) if (session == NULL) return -1; + ret = -1; + if (kmem_slab) { if (!perf_evlist__find_tracepoint_by_name(session->evlist, "kmem:kmalloc")) { |