summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/machine.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/machine.c')
-rw-r--r--tools/perf/util/machine.c75
1 files changed, 41 insertions, 34 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 90c750150b..b397a76900 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -453,7 +453,7 @@ static struct thread *findnew_guest_code(struct machine *machine,
* Guest code can be found in hypervisor process at the same address
* so copy host maps.
*/
- err = maps__clone(thread, thread__maps(host_thread));
+ err = maps__copy_from(thread__maps(thread), thread__maps(host_thread));
thread__put(host_thread);
if (err)
goto out_err;
@@ -1285,33 +1285,46 @@ static u64 find_entry_trampoline(struct dso *dso)
#define X86_64_CPU_ENTRY_AREA_SIZE 0x2c000
#define X86_64_ENTRY_TRAMPOLINE 0x6000
+struct machine__map_x86_64_entry_trampolines_args {
+ struct maps *kmaps;
+ bool found;
+};
+
+static int machine__map_x86_64_entry_trampolines_cb(struct map *map, void *data)
+{
+ struct machine__map_x86_64_entry_trampolines_args *args = data;
+ struct map *dest_map;
+ struct kmap *kmap = __map__kmap(map);
+
+ if (!kmap || !is_entry_trampoline(kmap->name))
+ return 0;
+
+ dest_map = maps__find(args->kmaps, map__pgoff(map));
+ if (dest_map != map)
+ map__set_pgoff(map, map__map_ip(dest_map, map__pgoff(map)));
+
+ args->found = true;
+ return 0;
+}
+
/* Map x86_64 PTI entry trampolines */
int machine__map_x86_64_entry_trampolines(struct machine *machine,
struct dso *kernel)
{
- struct maps *kmaps = machine__kernel_maps(machine);
+ struct machine__map_x86_64_entry_trampolines_args args = {
+ .kmaps = machine__kernel_maps(machine),
+ .found = false,
+ };
int nr_cpus_avail, cpu;
- bool found = false;
- struct map_rb_node *rb_node;
u64 pgoff;
/*
* In the vmlinux case, pgoff is a virtual address which must now be
* mapped to a vmlinux offset.
*/
- maps__for_each_entry(kmaps, rb_node) {
- struct map *dest_map, *map = rb_node->map;
- struct kmap *kmap = __map__kmap(map);
-
- if (!kmap || !is_entry_trampoline(kmap->name))
- continue;
+ maps__for_each_map(args.kmaps, machine__map_x86_64_entry_trampolines_cb, &args);
- dest_map = maps__find(kmaps, map__pgoff(map));
- if (dest_map != map)
- map__set_pgoff(map, map__map_ip(dest_map, map__pgoff(map)));
- found = true;
- }
- if (found || machine->trampolines_mapped)
+ if (args.found || machine->trampolines_mapped)
return 0;
pgoff = find_entry_trampoline(kernel);
@@ -1359,8 +1372,7 @@ __machine__create_kernel_maps(struct machine *machine, struct dso *kernel)
if (machine->vmlinux_map == NULL)
return -ENOMEM;
- map__set_map_ip(machine->vmlinux_map, identity__map_ip);
- map__set_unmap_ip(machine->vmlinux_map, identity__map_ip);
+ map__set_mapping_type(machine->vmlinux_map, MAPPING_TYPE__IDENTITY);
return maps__insert(machine__kernel_maps(machine), machine->vmlinux_map);
}
@@ -1750,12 +1762,11 @@ int machine__create_kernel_maps(struct machine *machine)
if (end == ~0ULL) {
/* update end address of the kernel map using adjacent module address */
- struct map_rb_node *rb_node = maps__find_node(machine__kernel_maps(machine),
- machine__kernel_map(machine));
- struct map_rb_node *next = map_rb_node__next(rb_node);
+ struct map *next = maps__find_next_entry(machine__kernel_maps(machine),
+ machine__kernel_map(machine));
if (next)
- machine__set_kernel_mmap(machine, start, map__start(next->map));
+ machine__set_kernel_mmap(machine, start, map__start(next));
}
out_put:
@@ -2157,9 +2168,13 @@ int machine__process_exit_event(struct machine *machine, union perf_event *event
if (dump_trace)
perf_event__fprintf_task(event, stdout);
- if (thread != NULL)
- thread__put(thread);
-
+ if (thread != NULL) {
+ if (symbol_conf.keep_exited_threads)
+ thread__set_exited(thread, /*exited=*/true);
+ else
+ machine__remove_thread(machine, thread);
+ }
+ thread__put(thread);
return 0;
}
@@ -3395,16 +3410,8 @@ int machine__for_each_dso(struct machine *machine, machine__dso_t fn, void *priv
int machine__for_each_kernel_map(struct machine *machine, machine__map_t fn, void *priv)
{
struct maps *maps = machine__kernel_maps(machine);
- struct map_rb_node *pos;
- int err = 0;
- maps__for_each_entry(maps, pos) {
- err = fn(pos->map, priv);
- if (err != 0) {
- break;
- }
- }
- return err;
+ return maps__for_each_map(maps, fn, priv);
}
bool machine__is_lock_function(struct machine *machine, u64 addr)