aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2010-05-19 13:41:23 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2010-05-19 13:45:08 -0300
commitf869097e884d8cb65b2bb7831ca57b7dffb66fdd (patch)
tree4a12562d3121571b19d877b5ed2a1749caf1354e
parentf6e1467d8303a397ce40bcfb5f72f97d3ebc768f (diff)
downloadlinux-2.6.34-ux500-f869097e884d8cb65b2bb7831ca57b7dffb66fdd.tar.gz
perf session: Make read_build_id routines look at the host_machine too
The changes made to support host and guest machines in a session, that started when the 'perf kvm' tool was introduced ended up introducing a bug where the host_machine was not having its DSOs traversed for build-id processing. Fix it by moving some methods to the right classes and considering the host_machine when processing build-ids. Reported-by: Tom Zanussi <tzanussi@gmail.com> Reported-by: Stephane Eranian <eranian@google.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/header.c84
-rw-r--r--tools/perf/util/session.c7
-rw-r--r--tools/perf/util/session.h8
-rw-r--r--tools/perf/util/symbol.c9
-rw-r--r--tools/perf/util/symbol.h1
5 files changed, 69 insertions, 40 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 8847bec64c5..1f62435f96c 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -221,29 +221,38 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
return 0;
}
+static int machine__write_buildid_table(struct machine *self, int fd)
+{
+ int err;
+ u16 kmisc = PERF_RECORD_MISC_KERNEL,
+ umisc = PERF_RECORD_MISC_USER;
+
+ if (!machine__is_host(self)) {
+ kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
+ umisc = PERF_RECORD_MISC_GUEST_USER;
+ }
+
+ err = __dsos__write_buildid_table(&self->kernel_dsos, self->pid,
+ kmisc, fd);
+ if (err == 0)
+ err = __dsos__write_buildid_table(&self->user_dsos,
+ self->pid, umisc, fd);
+ return err;
+}
+
static int dsos__write_buildid_table(struct perf_header *header, int fd)
{
struct perf_session *session = container_of(header,
struct perf_session, header);
struct rb_node *nd;
- int err = 0;
- u16 kmisc, umisc;
+ int err = machine__write_buildid_table(&session->host_machine, fd);
+
+ if (err)
+ return err;
for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
- if (machine__is_host(pos)) {
- kmisc = PERF_RECORD_MISC_KERNEL;
- umisc = PERF_RECORD_MISC_USER;
- } else {
- kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
- umisc = PERF_RECORD_MISC_GUEST_USER;
- }
-
- err = __dsos__write_buildid_table(&pos->kernel_dsos, pos->pid,
- kmisc, fd);
- if (err == 0)
- err = __dsos__write_buildid_table(&pos->user_dsos,
- pos->pid, umisc, fd);
+ err = machine__write_buildid_table(pos, fd);
if (err)
break;
}
@@ -363,12 +372,17 @@ static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
return err;
}
-static int dsos__cache_build_ids(struct perf_header *self)
+static int machine__cache_build_ids(struct machine *self, const char *debugdir)
+{
+ int ret = __dsos__cache_build_ids(&self->kernel_dsos, debugdir);
+ ret |= __dsos__cache_build_ids(&self->user_dsos, debugdir);
+ return ret;
+}
+
+static int perf_session__cache_build_ids(struct perf_session *self)
{
- struct perf_session *session = container_of(self,
- struct perf_session, header);
struct rb_node *nd;
- int ret = 0;
+ int ret;
char debugdir[PATH_MAX];
snprintf(debugdir, sizeof(debugdir), "%s/%s", getenv("HOME"),
@@ -377,25 +391,30 @@ static int dsos__cache_build_ids(struct perf_header *self)
if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
return -1;
- for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
+ ret = machine__cache_build_ids(&self->host_machine, debugdir);
+
+ for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret |= __dsos__cache_build_ids(&pos->kernel_dsos, debugdir);
- ret |= __dsos__cache_build_ids(&pos->user_dsos, debugdir);
+ ret |= machine__cache_build_ids(pos, debugdir);
}
return ret ? -1 : 0;
}
-static bool dsos__read_build_ids(struct perf_header *self, bool with_hits)
+static bool machine__read_build_ids(struct machine *self, bool with_hits)
+{
+ bool ret = __dsos__read_build_ids(&self->kernel_dsos, with_hits);
+ ret |= __dsos__read_build_ids(&self->user_dsos, with_hits);
+ return ret;
+}
+
+static bool perf_session__read_build_ids(struct perf_session *self, bool with_hits)
{
- bool ret = false;
- struct perf_session *session = container_of(self,
- struct perf_session, header);
struct rb_node *nd;
+ bool ret = machine__read_build_ids(&self->host_machine, with_hits);
- for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret |= __dsos__read_build_ids(&pos->kernel_dsos, with_hits);
- ret |= __dsos__read_build_ids(&pos->user_dsos, with_hits);
+ ret |= machine__read_build_ids(pos, with_hits);
}
return ret;
@@ -404,12 +423,14 @@ static bool dsos__read_build_ids(struct perf_header *self, bool with_hits)
static int perf_header__adds_write(struct perf_header *self, int fd)
{
int nr_sections;
+ struct perf_session *session;
struct perf_file_section *feat_sec;
int sec_size;
u64 sec_start;
int idx = 0, err;
- if (dsos__read_build_ids(self, true))
+ session = container_of(self, struct perf_session, header);
+ if (perf_session__read_build_ids(session, true))
perf_header__set_feat(self, HEADER_BUILD_ID);
nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS);
@@ -450,7 +471,7 @@ static int perf_header__adds_write(struct perf_header *self, int fd)
}
buildid_sec->size = lseek(fd, 0, SEEK_CUR) -
buildid_sec->offset;
- dsos__cache_build_ids(self);
+ perf_session__cache_build_ids(session);
}
lseek(fd, sec_start, SEEK_SET);
@@ -490,7 +511,6 @@ int perf_header__write(struct perf_header *self, int fd, bool at_exit)
lseek(fd, sizeof(f_header), SEEK_SET);
-
for (i = 0; i < self->attrs; i++) {
attr = self->attr[i];
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index e4eaa6d02f5..8f83a183576 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -895,3 +895,10 @@ size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp)
__dsos__fprintf(&self->host_machine.user_dsos, fp) +
machines__fprintf_dsos(&self->machines, fp);
}
+
+size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
+ bool with_hits)
+{
+ size_t ret = machine__fprintf_dsos_buildid(&self->host_machine, fp, with_hits);
+ return ret + machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
+}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index e7fce486ebe..55c6881b218 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -132,12 +132,8 @@ void perf_session__process_machines(struct perf_session *self,
size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
-static inline
-size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
- bool with_hits)
-{
- return machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
-}
+size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
+ FILE *fp, bool with_hits);
static inline
size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 87d9b1b8b6b..96bff0e5486 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1937,6 +1937,12 @@ static size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
return ret;
}
+size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits)
+{
+ return __dsos__fprintf_buildid(&self->kernel_dsos, fp, with_hits) +
+ __dsos__fprintf_buildid(&self->user_dsos, fp, with_hits);
+}
+
size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits)
{
struct rb_node *nd;
@@ -1944,8 +1950,7 @@ size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_
for (nd = rb_first(self); nd; nd = rb_next(nd)) {
struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret += __dsos__fprintf_buildid(&pos->kernel_dsos, fp, with_hits);
- ret += __dsos__fprintf_buildid(&pos->user_dsos, fp, with_hits);
+ ret += machine__fprintf_dsos_buildid(pos, fp, with_hits);
}
return ret;
}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 032469e4187..5d25b5eb145 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -170,6 +170,7 @@ int machine__load_vmlinux_path(struct machine *self, enum map_type type,
size_t __dsos__fprintf(struct list_head *head, FILE *fp);
+size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits);
size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);