From: Namhyung Kim <[email protected]>

It'll be used to support multiple maps on a same address like dlopen()
and/or JIT compile cases.

Cc: Stephane Eranian <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Namhyung Kim <[email protected]>
Signed-off-by: Jiri Olsa <[email protected]>
---
 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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