# define MADV_UNMERGEABLE 13
#endif
+struct tp_field {
+ int offset;
+ union {
+ u64 (*integer)(struct tp_field *field, struct perf_sample *sample);
+ void *(*pointer)(struct tp_field *field, struct perf_sample *sample);
+ };
+};
+
+#define TP_UINT_FIELD(bits) \
+static u64 tp_field__u##bits(struct tp_field *field, struct perf_sample *sample) \
+{ \
+ return *(u##bits *)(sample->raw_data + field->offset); \
+}
+
+TP_UINT_FIELD(8);
+TP_UINT_FIELD(16);
+TP_UINT_FIELD(32);
+TP_UINT_FIELD(64);
+
+#define TP_UINT_FIELD__SWAPPED(bits) \
+static u64 tp_field__swapped_u##bits(struct tp_field *field, struct perf_sample *sample) \
+{ \
+ u##bits value = *(u##bits *)(sample->raw_data + field->offset); \
+ return bswap_##bits(value);\
+}
+
+TP_UINT_FIELD__SWAPPED(16);
+TP_UINT_FIELD__SWAPPED(32);
+TP_UINT_FIELD__SWAPPED(64);
+
+static int tp_field__init_uint(struct tp_field *field,
+ struct format_field *format_field,
+ bool needs_swap)
+{
+ field->offset = format_field->offset;
+
+ switch (format_field->size) {
+ case 1:
+ field->integer = tp_field__u8;
+ break;
+ case 2:
+ field->integer = needs_swap ? tp_field__swapped_u16 : tp_field__u16;
+ break;
+ case 4:
+ field->integer = needs_swap ? tp_field__swapped_u32 : tp_field__u32;
+ break;
+ case 8:
+ field->integer = needs_swap ? tp_field__swapped_u64 : tp_field__u64;
+ break;
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
+static void *tp_field__ptr(struct tp_field *field, struct perf_sample *sample)
+{
+ return sample->raw_data + field->offset;
+}
+
+static int tp_field__init_ptr(struct tp_field *field, struct format_field *format_field)
+{
+ field->offset = format_field->offset;
+ field->pointer = tp_field__ptr;
+ return 0;
+}
+
+struct syscall_tp {
+ struct tp_field id;
+ union {
+ struct tp_field args, ret;
+ };
+};
+
+static int perf_evsel__init_tp_uint_field(struct perf_evsel *evsel,
+ struct tp_field *field,
+ const char *name)
+{
+ struct format_field *format_field = perf_evsel__field(evsel, name);
+
+ if (format_field == NULL)
+ return -1;
+
+ return tp_field__init_uint(field, format_field, evsel->needs_swap);
+}
+
+#define perf_evsel__init_sc_tp_uint_field(evsel, name) \
+ ({ struct syscall_tp *sc = evsel->priv;\
+ perf_evsel__init_tp_uint_field(evsel, &sc->name, #name); })
+
+static int perf_evsel__init_tp_ptr_field(struct perf_evsel *evsel,
+ struct tp_field *field,
+ const char *name)
+{
+ struct format_field *format_field = perf_evsel__field(evsel, name);
+
+ if (format_field == NULL)
+ return -1;
+
+ return tp_field__init_ptr(field, format_field);
+}
+
+#define perf_evsel__init_sc_tp_ptr_field(evsel, name) \
+ ({ struct syscall_tp *sc = evsel->priv;\
+ perf_evsel__init_tp_ptr_field(evsel, &sc->name, #name); })
+
+static void perf_evsel__delete_priv(struct perf_evsel *evsel)
+{
+ free(evsel->priv);
+ evsel->priv = NULL;
+ perf_evsel__delete(evsel);
+}
+
+static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler)
+{
+ evsel->priv = malloc(sizeof(struct syscall_tp));
+ if (evsel->priv != NULL) {
+ if (perf_evsel__init_sc_tp_uint_field(evsel, id))
+ goto out_delete;
+
+ evsel->handler = handler;
+ return 0;
+ }
+
+ return -ENOMEM;
+
+out_delete:
+ free(evsel->priv);
+ evsel->priv = NULL;
+ return -ENOENT;
+}
+
+static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void *handler)
+{
+ struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction);
+
+ if (evsel) {
+ if (perf_evsel__init_syscall_tp(evsel, handler))
+ goto out_delete;
+ }
+
+ return evsel;
+
+out_delete:
+ perf_evsel__delete_priv(evsel);
+ return NULL;
+}
+
+#define perf_evsel__sc_tp_uint(evsel, name, sample) \
+ ({ struct syscall_tp *fields = evsel->priv; \
+ fields->name.integer(&fields->name, sample); })
+
+#define perf_evsel__sc_tp_ptr(evsel, name, sample) \
+ ({ struct syscall_tp *fields = evsel->priv; \
+ fields->name.pointer(&fields->name, sample); })
+
+static int perf_evlist__add_syscall_newtp(struct perf_evlist *evlist,
+ void *sys_enter_handler,
+ void *sys_exit_handler)
+{
+ int ret = -1;
+ struct perf_evsel *sys_enter, *sys_exit;
+
+ sys_enter = perf_evsel__syscall_newtp("sys_enter", sys_enter_handler);
+ if (sys_enter == NULL)
+ goto out;
+
+ if (perf_evsel__init_sc_tp_ptr_field(sys_enter, args))
+ goto out_delete_sys_enter;
+
+ sys_exit = perf_evsel__syscall_newtp("sys_exit", sys_exit_handler);
+ if (sys_exit == NULL)
+ goto out_delete_sys_enter;
+
+ if (perf_evsel__init_sc_tp_uint_field(sys_exit, ret))
+ goto out_delete_sys_exit;
+
+ perf_evlist__add(evlist, sys_enter);
+ perf_evlist__add(evlist, sys_exit);
+
+ ret = 0;
+out:
+ return ret;
+
+out_delete_sys_exit:
+ perf_evsel__delete_priv(sys_exit);
+out_delete_sys_enter:
+ perf_evsel__delete_priv(sys_enter);
+ goto out;
+}
+
+
struct syscall_arg {
unsigned long val;
struct thread *thread;
{ .name = "mmap", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* addr */
[2] = SCA_MMAP_PROT, /* prot */
- [3] = SCA_MMAP_FLAGS, /* flags */ }, },
+ [3] = SCA_MMAP_FLAGS, /* flags */
+ [4] = SCA_FD, /* fd */ }, },
{ .name = "mprotect", .errmsg = true,
.arg_scnprintf = { [0] = SCA_HEX, /* start */
[2] = SCA_MMAP_PROT, /* prot */ }, },
if (trace->multiple_threads) {
if (trace->show_comm)
- printed += fprintf(fp, "%.14s/", thread->comm);
+ printed += fprintf(fp, "%.14s/", thread__comm_str(thread));
printed += fprintf(fp, "%d ", thread->tid);
}
}
static int trace__process_event(struct trace *trace, struct machine *machine,
- union perf_event *event)
+ union perf_event *event, struct perf_sample *sample)
{
int ret = 0;
case PERF_RECORD_LOST:
color_fprintf(trace->output, PERF_COLOR_RED,
"LOST %" PRIu64 " events!\n", event->lost.lost);
- ret = machine__process_lost_event(machine, event);
+ ret = machine__process_lost_event(machine, event, sample);
default:
- ret = machine__process_event(machine, event);
+ ret = machine__process_event(machine, event, sample);
break;
}
static int trace__tool_process(struct perf_tool *tool,
union perf_event *event,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
struct machine *machine)
{
struct trace *trace = container_of(tool, struct trace, tool);
- return trace__process_event(trace, machine, event);
+ return trace__process_event(trace, machine, event, sample);
}
static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
if (trace->host == NULL)
return -ENOMEM;
- if (perf_target__has_task(&trace->opts.target)) {
- err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads,
- trace__tool_process,
- trace->host);
- } else {
- err = perf_event__synthesize_threads(&trace->tool, trace__tool_process,
- trace->host);
- }
-
+ err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
+ evlist->threads, trace__tool_process, false);
if (err)
symbol__exit();
void *args;
size_t printed = 0;
struct thread *thread;
- int id = perf_evsel__intval(evsel, sample, "id");
+ int id = perf_evsel__sc_tp_uint(evsel, id, sample);
struct syscall *sc = trace__syscall_info(trace, evsel, id);
struct thread_trace *ttrace;
if (ttrace == NULL)
return -1;
- args = perf_evsel__rawptr(evsel, sample, "args");
- if (args == NULL) {
- fprintf(trace->output, "Problems reading syscall arguments\n");
- return -1;
- }
-
+ args = perf_evsel__sc_tp_ptr(evsel, args, sample);
ttrace = thread->priv;
if (ttrace->entry_str == NULL) {
int ret;
u64 duration = 0;
struct thread *thread;
- int id = perf_evsel__intval(evsel, sample, "id");
+ int id = perf_evsel__sc_tp_uint(evsel, id, sample);
struct syscall *sc = trace__syscall_info(trace, evsel, id);
struct thread_trace *ttrace;
if (trace->summary)
thread__update_stats(ttrace, id, sample);
- ret = perf_evsel__intval(evsel, sample, "ret");
+ ret = perf_evsel__sc_tp_uint(evsel, ret, sample);
if (id == trace->audit.open_id && ret >= 0 && trace->last_vfs_getname) {
trace__set_fd_pathname(thread, ret, trace->last_vfs_getname);
struct trace *trace = container_of(tool, struct trace, tool);
int err = 0;
- tracepoint_handler handler = evsel->handler.func;
+ tracepoint_handler handler = evsel->handler;
if (skip_sample(trace, sample))
return 0;
static void perf_evlist__add_vfs_getname(struct perf_evlist *evlist)
{
- struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname",
- evlist->nr_entries);
+ struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname");
if (evsel == NULL)
return;
return;
}
- evsel->handler.func = trace__vfs_getname;
+ evsel->handler = trace__vfs_getname;
perf_evlist__add(evlist, evsel);
}
goto out;
}
- if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) ||
- perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit))
+ if (perf_evlist__add_syscall_newtp(evlist, trace__sys_enter, trace__sys_exit))
goto out_error_tp;
perf_evlist__add_vfs_getname(evlist);
trace->base_time = sample.time;
if (type != PERF_RECORD_SAMPLE) {
- trace__process_event(trace, trace->host, event);
+ trace__process_event(trace, trace->host, event, &sample);
continue;
}
goto next_event;
}
- handler = evsel->handler.func;
+ handler = evsel->handler;
handler(trace, evsel, &sample);
next_event:
perf_evlist__mmap_consume(evlist, i);
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
- printed += color_fprintf(fp, color, "%20s", thread->comm);
+ printed += color_fprintf(fp, color, "%20s", thread__comm_str(thread));
printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events);
printed += color_fprintf(fp, color, "%5.1f%%", ratio);
printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms);
projects / firefly-linux-kernel-4.4.55.git / blobdiff