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perf tools: Store compression id into struct dso

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Add comp to 'struct dso' to hold the compression index.  It will be used
in the following patches.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Michael Petlan <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Jiri Olsa 2018-08-17 11:48:07 +02:00 • committed by Arnaldo Carvalho de Melo
commit 2af5247530
3 changed files with 8 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

5
tools/perf/util/dso.c
View file

@ -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);

1
tools/perf/util/dso.h
View file

@ -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 {

4
tools/perf/util/machine.c
View file

@ -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;
}