diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-02-03 16:52:03 -0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-04 09:33:26 +0100 |
| commit | 8ad94c6052649a8e32120b464eefa0ffd8f2f04f (patch) | |
| tree | ea709c5c0536ad93e8a74e4ea75cb634607af047 /tools/perf | |
| parent | 8d92c02ab07602786eaa6d4e5b519395730b3fd3 (diff) | |
perf probe: Don't use a perf_session instance just to resolve symbols
With the recent modifications done to untie the session and
symbol layers, 'perf probe' now can use just the symbols layer.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-probe.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 4fa73eca1d8..ad47bd4c50e 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -41,7 +41,6 @@ #include "util/debugfs.h" #include "util/symbol.h" #include "util/thread.h" -#include "util/session.h" #include "util/parse-options.h" #include "util/parse-events.h" /* For debugfs_path */ #include "util/probe-finder.h" @@ -59,8 +58,8 @@ static struct { int nr_probe; struct probe_point probes[MAX_PROBES]; struct strlist *dellist; - struct perf_session *psession; - struct map *kmap; + struct map_groups kmap_groups; + struct map *kmaps[MAP__NR_TYPES]; struct line_range line_range; } session; @@ -122,7 +121,8 @@ static int opt_del_probe_event(const struct option *opt __used, static void evaluate_probe_point(struct probe_point *pp) { struct symbol *sym; - sym = map__find_symbol_by_name(session.kmap, pp->function, NULL); + sym = map__find_symbol_by_name(session.kmaps[MAP__FUNCTION], + pp->function, NULL); if (!sym) die("Kernel symbol \'%s\' not found - probe not added.", pp->function); @@ -131,12 +131,13 @@ static void evaluate_probe_point(struct probe_point *pp) #ifndef NO_LIBDWARF static int open_vmlinux(void) { - if (map__load(session.kmap, NULL) < 0) { + if (map__load(session.kmaps[MAP__FUNCTION], NULL) < 0) { pr_debug("Failed to load kernel map.\n"); return -EINVAL; } - pr_debug("Try to open %s\n", session.kmap->dso->long_name); - return open(session.kmap->dso->long_name, O_RDONLY); + pr_debug("Try to open %s\n", + session.kmaps[MAP__FUNCTION]->dso->long_name); + return open(session.kmaps[MAP__FUNCTION]->dso->long_name, O_RDONLY); } static int opt_show_lines(const struct option *opt __used, @@ -212,12 +213,11 @@ static void init_vmlinux(void) pr_debug("Use vmlinux: %s\n", symbol_conf.vmlinux_name); if (symbol__init() < 0) die("Failed to init symbol map."); - session.psession = perf_session__new(NULL, O_WRONLY, false); - if (session.psession == NULL) - die("Failed to init perf_session."); - session.kmap = session.psession->vmlinux_maps[MAP__FUNCTION]; - if (!session.kmap) - die("Could not find kernel map.\n"); + + map_groups__init(&session.kmap_groups); + if (map_groups__create_kernel_maps(&session.kmap_groups, + session.kmaps) < 0) + die("Failed to create kernel maps."); } int cmd_probe(int argc, const char **argv, const char *prefix __used) |