perf tools: A thread's machine can be found via thread->mg->machine

So stop passing both machine and thread to several thread methods,
reducing function signature length.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-ckcy19dcp1jfkmdihdjcqdn1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

9 files changed, 36 insertions, 54 deletions

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index a904a4cfe7d3..2e7c68e39330 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -33,8 +33,7 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
 		return -1;
 	}
 
-	thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
-			      sample->ip, &al);
+	thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->ip, &al);
 
 	if (al.map != NULL)
 		al.map->dso->hit = 1;
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 94cfefddf4db..3caccc2c173c 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -184,11 +184,9 @@ static inline void callchain_cursor_snapshot(struct callchain_cursor *dest,
 }
 
 #ifdef HAVE_SKIP_CALLCHAIN_IDX
-extern int arch_skip_callchain_idx(struct machine *machine,
-			struct thread *thread, struct ip_callchain *chain);
+extern int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain);
 #else
-static inline int arch_skip_callchain_idx(struct machine *machine __maybe_unused,
-			struct thread *thread __maybe_unused,
+static inline int arch_skip_callchain_idx(struct thread *thread __maybe_unused,
 			struct ip_callchain *chain __maybe_unused)
 {
 	return -1;
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 4af6b279e34a..e00a29fb099f 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -730,12 +730,12 @@ int perf_event__process(struct perf_tool *tool __maybe_unused,
 	return machine__process_event(machine, event, sample);
 }
 
-void thread__find_addr_map(struct thread *thread,
-			   struct machine *machine, u8 cpumode,
+void thread__find_addr_map(struct thread *thread, u8 cpumode,
 			   enum map_type type, u64 addr,
 			   struct addr_location *al)
 {
 	struct map_groups *mg = thread->mg;
+	struct machine *machine = mg->machine;
 	bool load_map = false;
 
 	al->machine = machine;
@@ -806,14 +806,14 @@ try_again:
 	}
 }
 
-void thread__find_addr_location(struct thread *thread, struct machine *machine,
+void thread__find_addr_location(struct thread *thread,
 				u8 cpumode, enum map_type type, u64 addr,
 				struct addr_location *al)
 {
-	thread__find_addr_map(thread, machine, cpumode, type, addr, al);
+	thread__find_addr_map(thread, cpumode, type, addr, al);
 	if (al->map != NULL)
 		al->sym = map__find_symbol(al->map, al->addr,
-					   machine->symbol_filter);
+					   thread->mg->machine->symbol_filter);
 	else
 		al->sym = NULL;
 }
@@ -842,8 +842,7 @@ int perf_event__preprocess_sample(const union perf_event *event,
 	    machine->vmlinux_maps[MAP__FUNCTION] == NULL)
 		machine__create_kernel_maps(machine);
 
-	thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
-			      sample->ip, al);
+	thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->ip, al);
 	dump_printf(" ...... dso: %s\n",
 		    al->map ? al->map->dso->long_name :
 			al->level == 'H' ? "[hypervisor]" : "<not found>");
@@ -902,16 +901,14 @@ bool sample_addr_correlates_sym(struct perf_event_attr *attr)
 
 void perf_event__preprocess_sample_addr(union perf_event *event,
 					struct perf_sample *sample,
-					struct machine *machine,
 					struct thread *thread,
 					struct addr_location *al)
 {
 	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
 
-	thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
-			      sample->addr, al);
+	thread__find_addr_map(thread, cpumode, MAP__FUNCTION, sample->addr, al);
 	if (!al->map)
-		thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE,
+		thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
 				      sample->addr, al);
 
 	al->cpu = sample->cpu;
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 5699e7e2a790..5f0e0b89e130 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -322,7 +322,6 @@ bool is_bts_event(struct perf_event_attr *attr);
 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
 void perf_event__preprocess_sample_addr(union perf_event *event,
 					struct perf_sample *sample,
-					struct machine *machine,
 					struct thread *thread,
 					struct addr_location *al);
 
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index c70b3ff7b289..08e63fdbd14f 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1289,7 +1289,7 @@ static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
 	return 0;
 }
 
-static void ip__resolve_ams(struct machine *machine, struct thread *thread,
+static void ip__resolve_ams(struct thread *thread,
 			    struct addr_map_symbol *ams,
 			    u64 ip)
 {
@@ -1303,7 +1303,7 @@ static void ip__resolve_ams(struct machine *machine, struct thread *thread,
 	 * Thus, we have to try consecutively until we find a match
 	 * or else, the symbol is unknown
 	 */
-	thread__find_cpumode_addr_location(thread, machine, MAP__FUNCTION, ip, &al);
+	thread__find_cpumode_addr_location(thread, MAP__FUNCTION, ip, &al);
 
 	ams->addr = ip;
 	ams->al_addr = al.addr;
@@ -1311,23 +1311,21 @@ static void ip__resolve_ams(struct machine *machine, struct thread *thread,
 	ams->map = al.map;
 }
 
-static void ip__resolve_data(struct machine *machine, struct thread *thread,
+static void ip__resolve_data(struct thread *thread,
 			     u8 m, struct addr_map_symbol *ams, u64 addr)
 {
 	struct addr_location al;
 
 	memset(&al, 0, sizeof(al));
 
-	thread__find_addr_location(thread, machine, m, MAP__VARIABLE, addr,
-				   &al);
+	thread__find_addr_location(thread, m, MAP__VARIABLE, addr, &al);
 	if (al.map == NULL) {
 		/*
 		 * some shared data regions have execute bit set which puts
 		 * their mapping in the MAP__FUNCTION type array.
 		 * Check there as a fallback option before dropping the sample.
 		 */
-		thread__find_addr_location(thread, machine, m, MAP__FUNCTION, addr,
-					   &al);
+		thread__find_addr_location(thread, m, MAP__FUNCTION, addr, &al);
 	}
 
 	ams->addr = addr;
@@ -1344,9 +1342,8 @@ struct mem_info *sample__resolve_mem(struct perf_sample *sample,
 	if (!mi)
 		return NULL;
 
-	ip__resolve_ams(al->machine, al->thread, &mi->iaddr, sample->ip);
-	ip__resolve_data(al->machine, al->thread, al->cpumode,
-			 &mi->daddr, sample->addr);
+	ip__resolve_ams(al->thread, &mi->iaddr, sample->ip);
+	ip__resolve_data(al->thread, al->cpumode, &mi->daddr, sample->addr);
 	mi->data_src.val = sample->data_src;
 
 	return mi;
@@ -1363,15 +1360,14 @@ struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
 		return NULL;
 
 	for (i = 0; i < bs->nr; i++) {
-		ip__resolve_ams(al->machine, al->thread, &bi[i].to, bs->entries[i].to);
-		ip__resolve_ams(al->machine, al->thread, &bi[i].from, bs->entries[i].from);
+		ip__resolve_ams(al->thread, &bi[i].to, bs->entries[i].to);
+		ip__resolve_ams(al->thread, &bi[i].from, bs->entries[i].from);
 		bi[i].flags = bs->entries[i].flags;
 	}
 	return bi;
 }
 
-static int machine__resolve_callchain_sample(struct machine *machine,
-					     struct thread *thread,
+static int thread__resolve_callchain_sample(struct thread *thread,
 					     struct ip_callchain *chain,
 					     struct symbol **parent,
 					     struct addr_location *root_al,
@@ -1395,7 +1391,7 @@ static int machine__resolve_callchain_sample(struct machine *machine,
 	 * Based on DWARF debug information, some architectures skip
 	 * a callchain entry saved by the kernel.
 	 */
-	skip_idx = arch_skip_callchain_idx(machine, thread, chain);
+	skip_idx = arch_skip_callchain_idx(thread, chain);
 
 	for (i = 0; i < chain_nr; i++) {
 		u64 ip;
@@ -1437,7 +1433,7 @@ static int machine__resolve_callchain_sample(struct machine *machine,
 		}
 
 		al.filtered = 0;
-		thread__find_addr_location(thread, machine, cpumode,
+		thread__find_addr_location(thread, cpumode,
 					   MAP__FUNCTION, ip, &al);
 		if (al.sym != NULL) {
 			if (sort__has_parent && !*parent &&
@@ -1476,11 +1472,8 @@ int machine__resolve_callchain(struct machine *machine,
 			       struct addr_location *root_al,
 			       int max_stack)
 {
-	int ret;
-
-	ret = machine__resolve_callchain_sample(machine, thread,
-						sample->callchain, parent,
-						root_al, max_stack);
+	int ret = thread__resolve_callchain_sample(thread, sample->callchain,
+						   parent, root_al, max_stack);
 	if (ret)
 		return ret;
 
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 8db9626f6835..bf5bf858b7f6 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -198,7 +198,6 @@ int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp)
 }
 
 void thread__find_cpumode_addr_location(struct thread *thread,
-					struct machine *machine,
 					enum map_type type, u64 addr,
 					struct addr_location *al)
 {
@@ -211,8 +210,7 @@ void thread__find_cpumode_addr_location(struct thread *thread,
 	};
 
 	for (i = 0; i < ARRAY_SIZE(cpumodes); i++) {
-		thread__find_addr_location(thread, machine, cpumodes[i], type,
-					   addr, al);
+		thread__find_addr_location(thread, cpumodes[i], type, addr, al);
 		if (al->map)
 			break;
 	}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 8c75fa774706..6ef9fe6ff8da 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -54,16 +54,15 @@ void thread__insert_map(struct thread *thread, struct map *map);
 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
 size_t thread__fprintf(struct thread *thread, FILE *fp);
 
-void thread__find_addr_map(struct thread *thread, struct machine *machine,
+void thread__find_addr_map(struct thread *thread,
 			   u8 cpumode, enum map_type type, u64 addr,
 			   struct addr_location *al);
 
-void thread__find_addr_location(struct thread *thread, struct machine *machine,
+void thread__find_addr_location(struct thread *thread,
 				u8 cpumode, enum map_type type, u64 addr,
 				struct addr_location *al);
 
 void thread__find_cpumode_addr_location(struct thread *thread,
-					struct machine *machine,
 					enum map_type type, u64 addr,
 					struct addr_location *al);
 
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 7419768c38b1..f24b350ab192 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -26,7 +26,7 @@ static int __report_module(struct addr_location *al, u64 ip,
 	Dwfl_Module *mod;
 	struct dso *dso = NULL;
 
-	thread__find_addr_location(ui->thread, ui->machine,
+	thread__find_addr_location(ui->thread,
 				   PERF_RECORD_MISC_USER,
 				   MAP__FUNCTION, ip, al);
 
@@ -89,7 +89,7 @@ static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr,
 	struct addr_location al;
 	ssize_t size;
 
-	thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+	thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
 			      MAP__FUNCTION, addr, &al);
 	if (!al.map) {
 		pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 4d45c0dfe343..29acc8cccb56 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -284,7 +284,7 @@ static struct map *find_map(unw_word_t ip, struct unwind_info *ui)
 {
 	struct addr_location al;
 
-	thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+	thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
 			      MAP__FUNCTION, ip, &al);
 	return al.map;
 }
@@ -374,7 +374,7 @@ static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,
 	struct addr_location al;
 	ssize_t size;
 
-	thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER,
+	thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
 			      MAP__FUNCTION, addr, &al);
 	if (!al.map) {
 		pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
@@ -476,14 +476,13 @@ static void put_unwind_info(unw_addr_space_t __maybe_unused as,
 	pr_debug("unwind: put_unwind_info called\n");
 }
 
-static int entry(u64 ip, struct thread *thread, struct machine *machine,
+static int entry(u64 ip, struct thread *thread,
 		 unwind_entry_cb_t cb, void *arg)
 {
 	struct unwind_entry e;
 	struct addr_location al;
 
-	thread__find_addr_location(thread, machine,
-				   PERF_RECORD_MISC_USER,
+	thread__find_addr_location(thread, PERF_RECORD_MISC_USER,
 				   MAP__FUNCTION, ip, &al);
 
 	e.ip = ip;
@@ -586,7 +585,7 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
 		unw_word_t ip;
 
 		unw_get_reg(&c, UNW_REG_IP, &ip);
-		ret = ip ? entry(ip, ui->thread, ui->machine, cb, arg) : 0;
+		ret = ip ? entry(ip, ui->thread, cb, arg) : 0;
 	}
 
 	return ret;
@@ -611,7 +610,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
 	if (ret)
 		return ret;
 
-	ret = entry(ip, thread, machine, cb, arg);
+	ret = entry(ip, thread, cb, arg);
 	if (ret)
 		return -ENOMEM;