Messages in this thread Patch in this message | | | Date | Wed, 19 Nov 2014 23:37:41 -0800 | From | tip-bot for Adrian Hunter <> | Subject | [tip:perf/core] perf tools: Fix annotation with kcore |
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Commit-ID: ee205503f2333d639550eaed37abb455733510a3 Gitweb: http://git.kernel.org/tip/ee205503f2333d639550eaed37abb455733510a3 Author: Adrian Hunter <adrian.hunter@intel.com> AuthorDate: Tue, 11 Nov 2014 12:04:54 +0200 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Wed, 19 Nov 2014 12:33:47 -0300
perf tools: Fix annotation with kcore
Patch "perf tools: Fix build-id matching on vmlinux" breaks annotation with kcore. The problem is that symbol__annotate() first gets the filename based on the build-id which was previously not set.
This patch provides a quick fix, however there should probably be only one way to determine the filename. e.g. symbol__annotate() should use the same way as dso__data_fd().
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1415700294-30816-1-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/util/annotate.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 7dabde1..873c877 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -915,6 +915,8 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) return -ENOMEM; } goto fallback; + } else if (dso__is_kcore(dso)) { + goto fallback; } else if (readlink(symfs_filename, command, sizeof(command)) < 0 || strstr(command, "[kernel.kallsyms]") || access(symfs_filename, R_OK)) {
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