From 93730f85eb37d9cf592c18dad7e488abed09b461 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 31 Oct 2019 15:22:24 -0300 Subject: [PATCH] perf machine: Add kernel_dso() method To reduce boilerplate in some places. Cc: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-9s1bgoxxhlnu037e1nqx0tw3@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/machine.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 24d9e28..e768ef24 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -42,6 +42,11 @@ static void __machine__remove_thread(struct machine *machine, struct thread *th, bool lock); +static struct dso *machine__kernel_dso(struct machine *machine) +{ + return machine->vmlinux_map->dso; +} + static void dsos__init(struct dsos *dsos) { INIT_LIST_HEAD(&dsos->head); @@ -861,7 +866,7 @@ size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp) { int i; size_t printed = 0; - struct dso *kdso = machine__kernel_map(machine)->dso; + struct dso *kdso = machine__kernel_dso(machine); if (kdso->has_build_id) { char filename[PATH_MAX]; @@ -1543,8 +1548,7 @@ static bool perf_event__is_extra_kernel_mmap(struct machine *machine, static int machine__process_extra_kernel_map(struct machine *machine, union perf_event *event) { - struct map *kernel_map = machine__kernel_map(machine); - struct dso *kernel = kernel_map ? kernel_map->dso : NULL; + struct dso *kernel = machine__kernel_dso(machine); struct extra_kernel_map xm = { .start = event->mmap.start, .end = event->mmap.start + event->mmap.len, -- 2.7.4