perf list: Add support for PERF_COUNT_SW_BPF_OUT
authorArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 27 Nov 2015 18:54:33 +0000 (15:54 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 27 Nov 2015 19:03:46 +0000 (16:03 -0300)
When PERF_COUNT_SW_BPF_OUTPUT was added to the kernel we should've
added it to tools/perf, where it is used just to list events.

This ended up causing a segfault in commands like "perf list stall".

Fix it by adding that new software counter.

A patch to robustify perf to not segfault when the next counter gets
added in the kernel will follow this one.

Reported-by: Ingo Molnar <mingo@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-uya354upi3eprsey6mi5962d@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/parse-events.c

index e48d9da757078f0c35afae590ce87ac7892dafab..40ae92a8673c3fff64059f19422f9338ec9dc732 100644 (file)
@@ -124,6 +124,10 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
                .symbol = "dummy",
                .alias  = "",
        },
+       [PERF_COUNT_SW_BPF_OUTPUT] = {
+               .symbol = "bpf-output",
+               .alias  = "",
+       },
 };
 
 #define __PERF_EVENT_FIELD(config, name) \