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From:   Jiri Olsa <jolsa@kernel.org>
To:     Arnaldo Carvalho de Melo <acme@kernel.org>
Cc:     lkml <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Ingo Molnar <mingo@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Michael Petlan <mpetlan@redhat.com>,
        Song Liu <songliubraving@fb.com>,
        "Frank Ch. Eigler" <fche@redhat.com>,
        Ian Rogers <irogers@google.com>,
        Stephane Eranian <eranian@google.com>,
        Alexey Budankov <alexey.budankov@linux.intel.com>,
        Andi Kleen <ak@linux.intel.com>,
        Adrian Hunter <adrian.hunter@intel.com>
Subject: [PATCH 21/26] perf tools: Add machine__for_each_dso function
Date:   Sun, 13 Sep 2020 23:03:08 +0200
Message-Id: <20200913210313.1985612-22-jolsa@kernel.org>
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References: <20200913210313.1985612-1-jolsa@kernel.org>
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Adding machine__for_each_dso to iterate over all dso
objects defined for the within the machine. It will
be used in following changes.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/machine.c | 12 ++++++++++++
 tools/perf/util/machine.h |  4 ++++
 2 files changed, 16 insertions(+)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 863d949ef967..f8e8d0d80847 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -3181,3 +3181,15 @@ char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, ch
 	*addrp = map->unmap_ip(map, sym->start);
 	return sym->name;
 }
+
+int machine__for_each_dso(struct machine *machine, machine__dso_t fn, void *priv)
+{
+	struct dso *pos;
+	int err = 0;
+
+	list_for_each_entry(pos, &machine->dsos.head, node) {
+		if (fn(pos, machine, priv))
+			err = -1;
+	}
+	return err;
+}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index a3c1d0bf89e5..504c707f22bb 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -252,6 +252,10 @@ void machines__destroy_kernel_maps(struct machines *machines);
 
 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
 
+typedef int (*machine__dso_t)(struct dso *dso, struct machine *machine, void *priv);
+
+int machine__for_each_dso(struct machine *machine, machine__dso_t fn,
+			  void *priv);
 int machine__for_each_thread(struct machine *machine,
 			     int (*fn)(struct thread *thread, void *p),
 			     void *priv);
-- 
2.26.2