From 77e65977495cd6f6fcfacd8c16bdd9c8c18a1d72 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 30 Sep 2015 11:08:58 -0300 Subject: [PATCH] perf machine: Use machine__kernel_map() thoroughly In places where we were using its open coded equivalent. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-khkdugcdoqy3tkszm3jdxgbe@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-kmem.c | 2 +- tools/perf/builtin-report.c | 2 +- tools/perf/tests/code-reading.c | 2 +- tools/perf/util/event.c | 7 +++---- tools/perf/util/machine.c | 23 ++++++++++++----------- tools/perf/util/map.c | 2 +- tools/perf/util/probe-event.c | 7 ++++--- 7 files changed, 23 insertions(+), 22 deletions(-) diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 23b1faaaa4cc..b122c4e0818e 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -329,7 +329,7 @@ static int build_alloc_func_list(void) return -EINVAL; } - kernel_map = machine->vmlinux_maps[MAP__FUNCTION]; + kernel_map = machine__kernel_map(machine, MAP__FUNCTION) if (map__load(kernel_map, NULL) < 0) { pr_err("cannot load kernel map\n"); return -ENOENT; diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 37c9f5125887..7962605b3576 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -387,7 +387,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, static void report__warn_kptr_restrict(const struct report *rep) { - struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; + struct map *kernel_map = machine__kernel_map(&rep->session->machines.host, MAP__FUNCTION); struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; if (kernel_map == NULL || diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 2d21183bd661..47017a8aa685 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -473,7 +473,7 @@ static int do_test_code_reading(bool try_kcore) symbol_conf.kallsyms_name = "/proc/kallsyms"; /* Load kernel map */ - map = machine->vmlinux_maps[MAP__FUNCTION]; + map = machine__kernel_map(machine, MAP__FUNCTION); ret = map__load(map, NULL); if (ret < 0) { pr_debug("map__load failed\n"); diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index b1bb348ec3b6..281ab7f87446 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -649,12 +649,12 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, size_t size; const char *mmap_name; char name_buff[PATH_MAX]; - struct map *map; + struct map *map = machine__kernel_map(machine, MAP__FUNCTION); struct kmap *kmap; int err; union perf_event *event; - if (machine->vmlinux_maps[0] == NULL) + if (map == NULL) return -1; /* @@ -680,7 +680,6 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; } - map = machine->vmlinux_maps[MAP__FUNCTION]; kmap = map__kmap(map); size = snprintf(event->mmap.filename, sizeof(event->mmap.filename), "%s%s", mmap_name, kmap->ref_reloc_sym->name) + 1; @@ -1008,7 +1007,7 @@ int perf_event__preprocess_sample(const union perf_event *event, * it now. */ if (cpumode == PERF_RECORD_MISC_KERNEL && - machine->vmlinux_maps[MAP__FUNCTION] == NULL) + machine__kernel_map(machine, MAP__FUNCTION) == NULL) machine__create_kernel_maps(machine); thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->ip, al); diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index fd1efeafb343..d71b7dcf4579 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -625,7 +625,7 @@ size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp) { int i; size_t printed = 0; - struct dso *kdso = machine->vmlinux_maps[MAP__FUNCTION]->dso; + struct dso *kdso = machine__kernel_map(machine, MAP__FUNCTION)->dso; if (kdso->has_build_id) { char filename[PATH_MAX]; @@ -741,6 +741,7 @@ int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel) for (type = 0; type < MAP__NR_TYPES; ++type) { struct kmap *kmap; + struct map *map; machine->vmlinux_maps[type] = map__new2(start, kernel, type); if (machine->vmlinux_maps[type] == NULL) @@ -749,13 +750,13 @@ int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel) machine->vmlinux_maps[type]->map_ip = machine->vmlinux_maps[type]->unmap_ip = identity__map_ip; - kmap = map__kmap(machine->vmlinux_maps[type]); + map = machine__kernel_map(machine, type); + kmap = map__kmap(map); if (!kmap) return -1; kmap->kmaps = &machine->kmaps; - map_groups__insert(&machine->kmaps, - machine->vmlinux_maps[type]); + map_groups__insert(&machine->kmaps, map); } return 0; @@ -767,13 +768,13 @@ void machine__destroy_kernel_maps(struct machine *machine) for (type = 0; type < MAP__NR_TYPES; ++type) { struct kmap *kmap; + struct map *map = machine__kernel_map(machine, type); - if (machine->vmlinux_maps[type] == NULL) + if (map == NULL) continue; - kmap = map__kmap(machine->vmlinux_maps[type]); - map_groups__remove(&machine->kmaps, - machine->vmlinux_maps[type]); + kmap = map__kmap(map); + map_groups__remove(&machine->kmaps, map); if (kmap && kmap->ref_reloc_sym) { /* * ref_reloc_sym is shared among all maps, so free just @@ -867,7 +868,7 @@ int machines__create_kernel_maps(struct machines *machines, pid_t pid) int machine__load_kallsyms(struct machine *machine, const char *filename, enum map_type type, symbol_filter_t filter) { - struct map *map = machine->vmlinux_maps[type]; + struct map *map = machine__kernel_map(machine, MAP__FUNCTION); int ret = dso__load_kallsyms(map->dso, filename, map, filter); if (ret > 0) { @@ -886,7 +887,7 @@ int machine__load_kallsyms(struct machine *machine, const char *filename, int machine__load_vmlinux_path(struct machine *machine, enum map_type type, symbol_filter_t filter) { - struct map *map = machine->vmlinux_maps[type]; + struct map *map = machine__kernel_map(machine, MAP__FUNCTION); int ret = dso__load_vmlinux_path(map->dso, map, filter); if (ret > 0) @@ -1244,7 +1245,7 @@ static int machine__process_kernel_mmap_event(struct machine *machine, /* * preload dso of guest kernel and modules */ - dso__load(kernel, machine->vmlinux_maps[MAP__FUNCTION], + dso__load(kernel, machine__kernel_map(machine, MAP__FUNCTION), NULL); } } diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 622c2c9a1e65..2a9d859d30b9 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -235,7 +235,7 @@ struct map *map__new2(u64 start, struct dso *dso, enum map_type type) */ bool __map__is_kernel(const struct map *map) { - return map->groups->machine->vmlinux_maps[map->type] == map; + return machine__kernel_map(map->groups->machine, map->type) == map; } static void map__exit(struct map *map) diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 7fb0533ab18c..a0b3f3c886f0 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -126,11 +126,12 @@ static struct ref_reloc_sym *kernel_get_ref_reloc_sym(void) { /* kmap->ref_reloc_sym should be set if host_machine is initialized */ struct kmap *kmap; + struct map *map = machine__kernel_map(host_machine, MAP__FUNCTION); - if (map__load(host_machine->vmlinux_maps[MAP__FUNCTION], NULL) < 0) + if (map__load(map, NULL) < 0) return NULL; - kmap = map__kmap(host_machine->vmlinux_maps[MAP__FUNCTION]); + kmap = map__kmap(map); if (!kmap) return NULL; return kmap->ref_reloc_sym; @@ -281,7 +282,7 @@ static int kernel_get_module_dso(const char *module, struct dso **pdso) return -ENOENT; } - map = host_machine->vmlinux_maps[MAP__FUNCTION]; + map = machine__kernel_map(host_machine, MAP__FUNCTION); dso = map->dso; vmlinux_name = symbol_conf.vmlinux_name; -- 2.30.2