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Unified Diff: tools/run-perf.sh

Issue 1945673002: [Interpreter] Add a bytecode annotate tool. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 7 months ago
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Index: tools/run-perf.sh
diff --git a/tools/run-perf.sh b/tools/run-perf.sh
index 24053b40fb0aa3dd64a0b8db3f25ca8fb75aa425..03123fdbb84df8829854eb07978605cc09bb7f7d 100755
--- a/tools/run-perf.sh
+++ b/tools/run-perf.sh
@@ -13,6 +13,7 @@ SAMPLE_EVERY_N_CYCLES=10000
SAMPLE_RATE_CONFIG_FILE="/proc/sys/kernel/perf_event_max_sample_rate"
KERNEL_MAP_CONFIG_FILE="/proc/sys/kernel/kptr_restrict"
CALL_GRAPH_METHOD="fp" # dwarf does not play nice with JITted objects.
+EVENT_TYPE=${EVENT_TYPE:=cycles:u}
########## Usage
@@ -46,7 +47,7 @@ fi
echo "Running..."
perf record -R \
- -e cycles:u \
+ -e $EVENT_TYPE \
-c $SAMPLE_EVERY_N_CYCLES \
--call-graph $CALL_GRAPH_METHOD \
-i $@ --perf_basic_prof
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