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| author | David Ahern <dsahern@gmail.com> | 2012-07-20 17:25:51 -0600 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-07-25 11:31:03 -0300 |
| commit | c80c3c269011c67b8dabef5238af44a6d94e4d0e (patch) | |
| tree | 8471e1d0362479e8e0505bbef5c5a6f5eaeb7cd3 | |
| parent | adb5d2a487c55e5ca2ecc0b73c8f592e95d292c7 (diff) | |
| download | op-kernel-dev-c80c3c269011c67b8dabef5238af44a6d94e4d0e.zip op-kernel-dev-c80c3c269011c67b8dabef5238af44a6d94e4d0e.tar.gz | |
perf kvm: Limit repetitive guestmount message to once per directory
After 7ed97ad use of the guestmount option without a subdir for *each*
VM generates an error message for each sample related to that VM. Once
per VM is enough.
Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1342826756-64663-7-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/map.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 16d783d..cc33486 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -8,6 +8,7 @@ #include <unistd.h> #include "map.h" #include "thread.h" +#include "strlist.h" const char *map_type__name[MAP__NR_TYPES] = { [MAP__FUNCTION] = "Functions", @@ -695,7 +696,15 @@ struct machine *machines__findnew(struct rb_root *self, pid_t pid) (symbol_conf.guestmount)) { sprintf(path, "%s/%d", symbol_conf.guestmount, pid); if (access(path, R_OK)) { - pr_err("Can't access file %s\n", path); + static struct strlist *seen; + + if (!seen) + seen = strlist__new(true, NULL); + + if (!strlist__has_entry(seen, path)) { + pr_err("Can't access file %s\n", path); + strlist__add(seen, path); + } machine = NULL; goto out; } |
