diff options
author | Mike Galbraith <efault@gmx.de> | 2009-07-02 08:09:46 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-07-02 08:42:21 +0200 |
commit | 429764873cf3fc3e73142872a674bb27cda589c1 (patch) | |
tree | a7c11887ad7aa055f56276a14acbe004d0ead434 /tools/perf/builtin-annotate.c | |
parent | 6cfcc53ed4f3ecb9319e73a03f34f1eddcb644dd (diff) | |
download | kernel_goldelico_gta04-429764873cf3fc3e73142872a674bb27cda589c1.zip kernel_goldelico_gta04-429764873cf3fc3e73142872a674bb27cda589c1.tar.gz kernel_goldelico_gta04-429764873cf3fc3e73142872a674bb27cda589c1.tar.bz2 |
perf_counter tools: Enable kernel module symbol loading in tools
Add the -m/--modules option to perf report and perf annotate,
which enables live module symbol/image loading. To be used
with -k/--vmlinux.
(Also give perf annotate a -P/--full-paths option.)
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1246514986.13293.48.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-annotate.c')
-rw-r--r-- | tools/perf/builtin-annotate.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 8820568..08ea6c5 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -43,6 +43,10 @@ static int dump_trace = 0; static int verbose; +static int modules; + +static int full_paths; + static int print_line; static unsigned long page_size; @@ -171,7 +175,7 @@ static int load_kernel(void) if (!kernel_dso) return -1; - err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, 0); + err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules); if (err <= 0) { dso__delete(kernel_dso); kernel_dso = NULL; @@ -1268,19 +1272,25 @@ static void print_summary(char *filename) static void annotate_sym(struct dso *dso, struct symbol *sym) { - char *filename = dso->name; + char *filename = dso->name, *d_filename; u64 start, end, len; char command[PATH_MAX*2]; FILE *file; if (!filename) return; - if (dso == kernel_dso) + if (sym->module) + filename = sym->module->path; + else if (dso == kernel_dso) filename = vmlinux; start = sym->obj_start; if (!start) start = sym->start; + if (full_paths) + d_filename = filename; + else + d_filename = basename(filename); end = start + sym->end - sym->start + 1; len = sym->end - sym->start; @@ -1291,13 +1301,14 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) } printf("\n\n------------------------------------------------\n"); - printf(" Percent | Source code & Disassembly of %s\n", filename); + printf(" Percent | Source code & Disassembly of %s\n", d_filename); printf("------------------------------------------------\n"); if (verbose >= 2) printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name); - sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s", (u64)start, (u64)end, filename); + sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", + (u64)start, (u64)end, filename, filename); if (verbose >= 3) printf("doing: %s\n", command); @@ -1472,8 +1483,12 @@ static const struct option options[] = { OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), + OPT_BOOLEAN('m', "modules", &modules, + "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_BOOLEAN('l', "print-line", &print_line, "print matching source lines (may be slow)"), + OPT_BOOLEAN('P', "full-paths", &full_paths, + "Don't shorten the displayed pathnames"), OPT_END() }; |