perf map: Add accessor for dso

Later changes will add reference count checking for struct map, with
dso being the most frequently accessed variable. Add an accessor so
that the reference count check is only necessary in one place.

Additional changes:
 - add a dso variable to avoid repeated map__dso calls.
 - in builtin-mem.c dump_raw_samples, code only partially tested for
   dso == NULL. Make the possibility of NULL consistent.
 - in thread.c thread__memcpy fix use of spaces and use tabs.

Committer notes:

Did missing conversions on these files:

   tools/perf/arch/powerpc/util/skip-callchain-idx.c
   tools/perf/arch/powerpc/util/sym-handling.c
   tools/perf/ui/browsers/hists.c
   tools/perf/ui/gtk/annotate.c
   tools/perf/util/cs-etm.c
   tools/perf/util/thread.c
   tools/perf/util/unwind-libunwind-local.c
   tools/perf/util/unwind-libunwind.c

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20230320212248.1175731-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 5f9f38ed5da1..e494425cad06 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -106,7 +106,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 		hists__set_col_len(hists, HISTC_THREAD, len + 8);
 
 	if (h->ms.map) {
-		len = dso__name_len(h->ms.map->dso);
+		len = dso__name_len(map__dso(h->ms.map));
 		hists__new_col_len(hists, HISTC_DSO, len);
 	}
 
@@ -120,7 +120,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 				symlen += BITS_PER_LONG / 4 + 2 + 3;
 			hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen);
 
-			symlen = dso__name_len(h->branch_info->from.ms.map->dso);
+			symlen = dso__name_len(map__dso(h->branch_info->from.ms.map));
 			hists__new_col_len(hists, HISTC_DSO_FROM, symlen);
 		} else {
 			symlen = unresolved_col_width + 4 + 2;
@@ -135,7 +135,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 				symlen += BITS_PER_LONG / 4 + 2 + 3;
 			hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen);
 
-			symlen = dso__name_len(h->branch_info->to.ms.map->dso);
+			symlen = dso__name_len(map__dso(h->branch_info->to.ms.map));
 			hists__new_col_len(hists, HISTC_DSO_TO, symlen);
 		} else {
 			symlen = unresolved_col_width + 4 + 2;
@@ -180,7 +180,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 		}
 
 		if (h->mem_info->daddr.ms.map) {
-			symlen = dso__name_len(h->mem_info->daddr.ms.map->dso);
+			symlen = dso__name_len(map__dso(h->mem_info->daddr.ms.map));
 			hists__new_col_len(hists, HISTC_MEM_DADDR_DSO,
 					   symlen);
 		} else {
@@ -2110,7 +2110,7 @@ static bool hists__filter_entry_by_dso(struct hists *hists,
 				       struct hist_entry *he)
 {
 	if (hists->dso_filter != NULL &&
-	    (he->ms.map == NULL || he->ms.map->dso != hists->dso_filter)) {
+	    (he->ms.map == NULL || map__dso(he->ms.map) != hists->dso_filter)) {
 		he->filtered |= (1 << HIST_FILTER__DSO);
 		return true;
 	}