Commit c80c3c26 authored by David Ahern's avatar David Ahern Committed by Arnaldo Carvalho de Melo

perf kvm: Limit repetitive guestmount message to once per directory

After 7ed97ad4 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: default avatarDavid 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.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent adb5d2a4
...@@ -8,6 +8,7 @@ ...@@ -8,6 +8,7 @@
#include <unistd.h> #include <unistd.h>
#include "map.h" #include "map.h"
#include "thread.h" #include "thread.h"
#include "strlist.h"
const char *map_type__name[MAP__NR_TYPES] = { const char *map_type__name[MAP__NR_TYPES] = {
[MAP__FUNCTION] = "Functions", [MAP__FUNCTION] = "Functions",
...@@ -695,7 +696,15 @@ struct machine *machines__findnew(struct rb_root *self, pid_t pid) ...@@ -695,7 +696,15 @@ struct machine *machines__findnew(struct rb_root *self, pid_t pid)
(symbol_conf.guestmount)) { (symbol_conf.guestmount)) {
sprintf(path, "%s/%d", symbol_conf.guestmount, pid); sprintf(path, "%s/%d", symbol_conf.guestmount, pid);
if (access(path, R_OK)) { 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; machine = NULL;
goto out; goto out;
} }
......
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