diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-01-27 23:05:51 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-01-29 08:20:58 (GMT) |
| commit | fd1d908c543fbdfae82839d24b0872c542fceedc (patch) | |
| tree | a5ce23cd57ba88f4230b571736d1638dde11aa09 /tools/perf/util/symbol.c | |
| parent | a19afe46412452fef89cc623873a8931b3685944 (diff) | |
| download | linux-fsl-qoriq-fd1d908c543fbdfae82839d24b0872c542fceedc.tar.xz | |
perf symbols: Split helpers used when creating kernel dso object
To make it clear and allow for direct usage by, for instance,
regression test suites.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1264633557-17597-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/symbol.c')
| -rw-r--r-- | tools/perf/util/symbol.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 26ec603..f9049d1 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1762,24 +1762,38 @@ size_t dsos__fprintf_buildid(FILE *fp, bool with_hits) __dsos__fprintf_buildid(&dsos__user, fp, with_hits)); } +struct dso *dso__new_kernel(const char *name) +{ + struct dso *self = dso__new(name ?: "[kernel.kallsyms]"); + + if (self != NULL) { + self->short_name = "[kernel]"; + self->kernel = 1; + } + + return self; +} + +void dso__read_running_kernel_build_id(struct dso *self) +{ + if (sysfs__read_build_id("/sys/kernel/notes", self->build_id, + sizeof(self->build_id)) == 0) + self->has_build_id = true; +} + static struct dso *dsos__create_kernel(const char *vmlinux) { - struct dso *kernel = dso__new(vmlinux ?: "[kernel.kallsyms]"); + struct dso *kernel = dso__new_kernel(vmlinux); if (kernel == NULL) return NULL; - kernel->short_name = "[kernel]"; - kernel->kernel = 1; - vdso = dso__new("[vdso]"); if (vdso == NULL) goto out_delete_kernel_dso; dso__set_loaded(vdso, MAP__FUNCTION); - if (sysfs__read_build_id("/sys/kernel/notes", kernel->build_id, - sizeof(kernel->build_id)) == 0) - kernel->has_build_id = true; + dso__read_running_kernel_build_id(kernel); dsos__add(&dsos__kernel, kernel); dsos__add(&dsos__user, vdso); |