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authorJiri Olsa <jolsa@kernel.org>2018-08-17 11:48:07 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-08-20 08:54:59 -0300
commit2af5247530e073f4146d74ecd96cf64c953c001c (patch)
treef20b283d29fcbdfe2a69ecdfae4e1885c5c12f02 /tools
parent4b838b0db4e9cb3892b181ea9adc13cefb90d210 (diff)
downloadlinux-2af5247530e073f4146d74ecd96cf64c953c001c.tar.bz2
perf tools: Store compression id into struct dso
Add comp to 'struct dso' to hold the compression index. It will be used in the following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180817094813.15086-8-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/dso.c5
-rw-r--r--tools/perf/util/dso.h1
-rw-r--r--tools/perf/util/machine.c4
3 files changed, 8 insertions, 2 deletions
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index d34e47bb09d9..d875e6956a3e 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -417,8 +417,10 @@ void dso__set_module_info(struct dso *dso, struct kmod_path *m,
dso->symtab_type = DSO_BINARY_TYPE__GUEST_KMODULE;
/* _KMODULE_COMP should be next to _KMODULE */
- if (m->kmod && m->comp)
+ if (m->kmod && m->comp) {
dso->symtab_type++;
+ dso->comp = m->comp;
+ }
dso__set_short_name(dso, strdup(m->name), true);
}
@@ -1224,6 +1226,7 @@ struct dso *dso__new(const char *name)
dso->a2l_fails = 1;
dso->kernel = DSO_TYPE_USER;
dso->needs_swap = DSO_SWAP__UNSET;
+ dso->comp = COMP_ID__NONE;
RB_CLEAR_NODE(&dso->rb_node);
dso->root = NULL;
INIT_LIST_HEAD(&dso->node);
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 7bde23f6e5a9..a6c7af52115f 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -175,6 +175,7 @@ struct dso {
u16 short_name_len;
void *dwfl; /* DWARF debug info */
struct auxtrace_cache *auxtrace_cache;
+ int comp;
/* dso data file */
struct {
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index b300a3973448..c4acd2001db0 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1212,8 +1212,10 @@ static int map_groups__set_module_path(struct map_groups *mg, const char *path,
* Full name could reveal us kmod compression, so
* we need to update the symtab_type if needed.
*/
- if (m->comp && is_kmod_dso(map->dso))
+ if (m->comp && is_kmod_dso(map->dso)) {
map->dso->symtab_type++;
+ map->dso->comp = m->comp;
+ }
return 0;
}