[PATCH 23/49] perf callchain: Use thread__find_addr_location_by_time() and friends

From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
	lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	David Ahern <dsahern@gmail.com>, Andi Kleen <ak@linux.intel.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 23/49] perf callchain: Use thread__find_addr_location_by_time() and friends
Date: Tue,  9 Jan 2018 16:34:56 +0100	[thread overview]
Message-ID: <20180109153522.14116-24-jolsa@kernel.org> (raw)
In-Reply-To: <20180109153522.14116-1-jolsa@kernel.org>

From: Namhyung Kim <namhyung@kernel.org>

Find correct thread/map/symbol using proper functions.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-k02mlrexo1h3bsezgrr7ydn8@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/machine.c                | 22 +++++++++++++---------
 tools/perf/util/unwind-libdw.c           | 12 +++++++-----
 tools/perf/util/unwind-libunwind-local.c | 16 ++++++++--------
 3 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index b6fbb302b4e0..26f4fc719601 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1950,7 +1950,8 @@ static int add_callchain_ip(struct thread *thread,
 			    bool branch,
 			    struct branch_flags *flags,
 			    struct iterations *iter,
-			    u64 branch_from)
+			    u64 branch_from,
+			    u64 timestamp)
 {
 	struct addr_location al;
 	int nr_loop_iter = 0;
@@ -1960,8 +1961,9 @@ static int add_callchain_ip(struct thread *thread,
 	al.filtered = 0;
 	al.sym = NULL;
 	if (!cpumode) {
-		thread__find_cpumode_addr_location(thread, MAP__FUNCTION,
-						   ip, &al);
+		thread__find_cpumode_addr_location_by_time(thread,
+							   MAP__FUNCTION, ip,
+							   &al, timestamp);
 	} else {
 		if (ip >= PERF_CONTEXT_MAX) {
 			switch (ip) {
@@ -1986,8 +1988,9 @@ static int add_callchain_ip(struct thread *thread,
 			}
 			return 0;
 		}
-		thread__find_addr_location(thread, *cpumode, MAP__FUNCTION,
-					   ip, &al);
+		thread__find_addr_location_by_time(thread, *cpumode,
+						   MAP__FUNCTION, ip,
+						   &al, timestamp);
 	}
 
 	if (al.sym != NULL) {
@@ -2184,7 +2187,7 @@ static int resolve_lbr_callchain_sample(struct thread *thread,
 			err = add_callchain_ip(thread, cursor, parent,
 					       root_al, &cpumode, ip,
 					       branch, flags, NULL,
-					       branch_from);
+					       branch_from, sample->time);
 			if (err)
 				return (err < 0) ? err : 0;
 		}
@@ -2207,6 +2210,7 @@ static int thread__resolve_callchain_sample(struct thread *thread,
 	int chain_nr = 0;
 	u8 cpumode = PERF_RECORD_MISC_USER;
 	int i, j, err, nr_entries;
+	u64 timestamp = sample->time;
 	int skip_idx = -1;
 	int first_call = 0;
 
@@ -2280,13 +2284,13 @@ static int thread__resolve_callchain_sample(struct thread *thread,
 					       root_al,
 					       NULL, be[i].to,
 					       true, &be[i].flags,
-					       NULL, be[i].from);
+					       NULL, be[i].from, timestamp);
 
 			if (!err)
 				err = add_callchain_ip(thread, cursor, parent, root_al,
 						       NULL, be[i].from,
 						       true, &be[i].flags,
-						       &iter[i], 0);
+						       &iter[i], 0, timestamp);
 			if (err == -EINVAL)
 				break;
 			if (err)
@@ -2320,7 +2324,7 @@ static int thread__resolve_callchain_sample(struct thread *thread,
 
 		err = add_callchain_ip(thread, cursor, parent,
 				       root_al, &cpumode, ip,
-				       false, NULL, NULL, 0);
+				       false, NULL, NULL, 0, timestamp);
 
 		if (err)
 			return (err < 0) ? err : 0;
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 1e9c974faf67..188c388453a7 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -29,9 +29,9 @@ static int __report_module(struct addr_location *al, u64 ip,
 	Dwfl_Module *mod;
 	struct dso *dso = NULL;
 
-	thread__find_addr_location(ui->thread,
-				   PERF_RECORD_MISC_USER,
-				   MAP__FUNCTION, ip, al);
+	thread__find_addr_location_by_time(ui->thread, PERF_RECORD_MISC_USER,
+					   MAP__FUNCTION, ip, al,
+					   ui->sample->time);
 
 	if (al->map)
 		dso = al->map->dso;
@@ -103,8 +103,10 @@ 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, PERF_RECORD_MISC_USER,
-			      MAP__FUNCTION, addr, &al);
+	thread__find_addr_map_by_time(ui->thread, PERF_RECORD_MISC_USER,
+				      MAP__FUNCTION, addr, &al,
+				      ui->sample->time);
+
 	if (!al.map) {
 		/*
 		 * We've seen cases (softice) where DWARF unwinder went
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 7a42f703e858..2b00de870185 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -367,16 +367,16 @@ static struct map *find_map(unw_word_t ip, struct unwind_info *ui)
 {
 	struct addr_location al;
 
-	thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
-			      MAP__FUNCTION, ip, &al);
+	thread__find_addr_map_by_time(ui->thread, PERF_RECORD_MISC_USER,
+				      MAP__FUNCTION, ip, &al, ui->sample->time);
 	if (!al.map) {
 		/*
 		 * We've seen cases (softice) where DWARF unwinder went
 		 * through non executable mmaps, which we need to lookup
 		 * in MAP__VARIABLE tree.
 		 */
-		thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
-				      MAP__VARIABLE, ip, &al);
+		thread__find_addr_map_by_time(ui->thread, PERF_RECORD_MISC_USER,
+					      MAP__VARIABLE, ip, &al, ui->sample->time);
 	}
 	return al.map;
 }
@@ -580,14 +580,14 @@ 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,
+static int entry(u64 ip, struct thread *thread, u64 timestamp,
 		 unwind_entry_cb_t cb, void *arg)
 {
 	struct unwind_entry e;
 	struct addr_location al;
 
-	thread__find_addr_location(thread, PERF_RECORD_MISC_USER,
-				   MAP__FUNCTION, ip, &al);
+	thread__find_addr_location_by_time(thread, PERF_RECORD_MISC_USER,
+					   MAP__FUNCTION, ip, &al, timestamp);
 
 	e.ip = al.addr;
 	e.map = al.map;
@@ -718,7 +718,7 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
 
 		if (callchain_param.order == ORDER_CALLER)
 			j = max_stack - i - 1;
-		ret = ips[j] ? entry(ips[j], ui->thread, cb, arg) : 0;
+		ret = ips[j] ? entry(ips[j], ui->thread, ui->sample->time, cb, arg) : 0;
 	}
 
 	return ret;
-- 
2.13.6
