Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 25/49] perf tools: Save timestamp of a map creation | Date | Tue, 9 Jan 2018 16:34:58 +0100 |
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From: Namhyung Kim <namhyung@kernel.org>
It'll be used to support multiple maps on a same address like dlopen() and/or JIT compile cases.
Cc: Stephane Eranian <eranian@google.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/n/tip-p39jo653jdpz7uyzz7ih5xk9@git.kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/util/dso.c | 2 +- tools/perf/util/machine.c | 25 +++++++++++++++---------- tools/perf/util/machine.h | 2 +- tools/perf/util/map.c | 12 +++++++----- tools/perf/util/map.h | 9 ++++++--- tools/perf/util/symbol-elf.c | 2 +- tools/perf/util/symbol.c | 4 ++-- 7 files changed, 33 insertions(+), 23 deletions(-)
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index d5b6f7f5baff..41b7def15931 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -1014,7 +1014,7 @@ struct map *dso__new_map(const char *name) struct dso *dso = dso__new(name); if (dso) - map = map__new2(0, dso, MAP__FUNCTION); + map = map__new2(0, dso, MAP__FUNCTION, 0); return map; } diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 26f4fc719601..b1eb0b6672df 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -807,7 +807,7 @@ static void dso__adjust_kmod_long_name(struct dso *dso, const char *filename) } struct map *machine__findnew_module_map(struct machine *machine, u64 start, - const char *filename) + const char *filename, u64 timestamp) { struct map *map = NULL; struct dso *dso = NULL; @@ -832,7 +832,7 @@ struct map *machine__findnew_module_map(struct machine *machine, u64 start, if (dso == NULL) goto out; - map = map__new2(start, dso, MAP__FUNCTION); + map = map__new2(start, dso, MAP__FUNCTION, timestamp); if (map == NULL) goto out; @@ -1018,7 +1018,7 @@ int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel) struct kmap *kmap; struct map *map; - machine->vmlinux_maps[type] = map__new2(start, kernel, type); + machine->vmlinux_maps[type] = map__new2(start, kernel, type, 0); if (machine->vmlinux_maps[type] == NULL) return -1; @@ -1333,7 +1333,7 @@ static int machine__create_module(void *arg, const char *name, u64 start, if (arch__fix_module_text_start(&start, name) < 0) return -1; - map = machine__findnew_module_map(machine, start, name); + map = machine__findnew_module_map(machine, start, name, 0); if (map == NULL) return -1; map->end = start + size; @@ -1440,7 +1440,8 @@ static bool machine__uses_kcore(struct machine *machine) } static int machine__process_kernel_mmap_event(struct machine *machine, - union perf_event *event) + union perf_event *event, + u64 timestamp) { struct map *map; char kmmap_prefix[PATH_MAX]; @@ -1463,7 +1464,8 @@ static int machine__process_kernel_mmap_event(struct machine *machine, if (event->mmap.filename[0] == '/' || (!is_kernel_mmap && event->mmap.filename[0] == '[')) { map = machine__findnew_module_map(machine, event->mmap.start, - event->mmap.filename); + event->mmap.filename, + timestamp); if (map == NULL) goto out_problem; @@ -1563,7 +1565,8 @@ int machine__process_mmap2_event(struct machine *machine, if (sample->cpumode == PERF_RECORD_MISC_GUEST_KERNEL || sample->cpumode == PERF_RECORD_MISC_KERNEL) { - ret = machine__process_kernel_mmap_event(machine, event); + ret = machine__process_kernel_mmap_event(machine, event, + sample->time); if (ret < 0) goto out_problem; return 0; @@ -1586,7 +1589,8 @@ int machine__process_mmap2_event(struct machine *machine, event->mmap2.ino_generation, event->mmap2.prot, event->mmap2.flags, - event->mmap2.filename, type, thread); + event->mmap2.filename, type, thread, + sample->time); if (map == NULL) goto out_problem_map; @@ -1621,7 +1625,8 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event if (sample->cpumode == PERF_RECORD_MISC_GUEST_KERNEL || sample->cpumode == PERF_RECORD_MISC_KERNEL) { - ret = machine__process_kernel_mmap_event(machine, event); + ret = machine__process_kernel_mmap_event(machine, event, + sample->time); if (ret < 0) goto out_problem; return 0; @@ -1641,7 +1646,7 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event event->mmap.len, event->mmap.pgoff, 0, 0, 0, 0, 0, 0, event->mmap.filename, - type, thread); + type, thread, sample->time); if (map == NULL) goto out_problem_map; diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index 8eca8af88d02..42291b8c397f 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -229,7 +229,7 @@ struct symbol *machine__find_kernel_function_by_name(struct machine *machine, } struct map *machine__findnew_module_map(struct machine *machine, u64 start, - const char *filename); + const char *filename, u64 timestamp); int arch__fix_module_text_start(u64 *start, const char *name); int __machine__load_kallsyms(struct machine *machine, const char *filename, diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index dbd8c2c3d712..991592718025 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -130,7 +130,7 @@ static inline bool replace_android_lib(const char *filename, char *newfilename) } void map__init(struct map *map, enum map_type type, - u64 start, u64 end, u64 pgoff, struct dso *dso) + u64 start, u64 end, u64 pgoff, struct dso *dso, u64 timestamp) { map->type = type; map->start = start; @@ -144,12 +144,13 @@ void map__init(struct map *map, enum map_type type, map->groups = NULL; map->erange_warned = false; refcount_set(&map->refcnt, 1); + map->timestamp = timestamp; } struct map *map__new(struct machine *machine, u64 start, u64 len, u64 pgoff, u32 d_maj, u32 d_min, u64 ino, u64 ino_gen, u32 prot, u32 flags, char *filename, - enum map_type type, struct thread *thread) + enum map_type type, struct thread *thread, u64 timestamp) { struct map *map = malloc(sizeof(*map)); struct nsinfo *nsi = NULL; @@ -203,7 +204,7 @@ struct map *map__new(struct machine *machine, u64 start, u64 len, if (dso == NULL) goto out_delete; - map__init(map, type, start, start + len, pgoff, dso); + map__init(map, type, start, start + len, pgoff, dso, timestamp); if (anon || no_dso) { map->map_ip = map->unmap_ip = identity__map_ip; @@ -231,7 +232,8 @@ struct map *map__new(struct machine *machine, u64 start, u64 len, * they are loaded) and for vmlinux, where only after we load all the * symbols we'll know where it starts and ends. */ -struct map *map__new2(u64 start, struct dso *dso, enum map_type type) +struct map *map__new2(u64 start, struct dso *dso, enum map_type type, + u64 timestamp) { struct map *map = calloc(1, (sizeof(*map) + (dso->kernel ? sizeof(struct kmap) : 0))); @@ -239,7 +241,7 @@ struct map *map__new2(u64 start, struct dso *dso, enum map_type type) /* * ->end will be filled after we load all the symbols */ - map__init(map, type, start, 0, 0, dso); + map__init(map, type, start, 0, 0, dso, timestamp); } return map; diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 38d5954771e8..8162d084f50e 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -45,6 +45,7 @@ struct map { u32 maj, min; /* only valid for MMAP2 record */ u64 ino; /* only valid for MMAP2 record */ u64 ino_generation;/* only valid for MMAP2 record */ + u64 timestamp; /* ip -> dso rip */ u64 (*map_ip)(struct map *, u64); @@ -143,12 +144,14 @@ struct thread; __map__for_each_symbol_by_name(map, sym_name, (pos)) void map__init(struct map *map, enum map_type type, - u64 start, u64 end, u64 pgoff, struct dso *dso); + u64 start, u64 end, u64 pgoff, struct dso *dso, u64 timestamp); struct map *map__new(struct machine *machine, u64 start, u64 len, u64 pgoff, u32 d_maj, u32 d_min, u64 ino, u64 ino_gen, u32 prot, u32 flags, - char *filename, enum map_type type, struct thread *thread); -struct map *map__new2(u64 start, struct dso *dso, enum map_type type); + char *filename, enum map_type type, struct thread *thread, + u64 timestamp); +struct map *map__new2(u64 start, struct dso *dso, enum map_type type, + u64 timestamp); void map__delete(struct map *map); struct map *map__clone(struct map *map); diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 2de770511e70..6f283616d5fa 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -1056,7 +1056,7 @@ int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, curr_dso->long_name = dso->long_name; curr_dso->long_name_len = dso->long_name_len; curr_map = map__new2(start, curr_dso, - map->type); + map->type, map->timestamp); dso__put(curr_dso); if (curr_map == NULL) { goto out_elf_end; diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index cc065d4bfafc..9ba402636ffe 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -843,7 +843,7 @@ static int dso__split_kallsyms(struct dso *dso, struct map *map, u64 delta) ndso->kernel = dso->kernel; - curr_map = map__new2(pos->start, ndso, map->type); + curr_map = map__new2(pos->start, ndso, map->type, 0); if (curr_map == NULL) { dso__put(ndso); return -1; @@ -1147,7 +1147,7 @@ static int kcore_mapfn(u64 start, u64 len, u64 pgoff, void *data) struct kcore_mapfn_data *md = data; struct map *map; - map = map__new2(start, md->dso, md->type); + map = map__new2(start, md->dso, md->type, 0); if (map == NULL) return -ENOMEM; -- 2.13.6
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