================
@@ -113,6 +153,37 @@ TEST_F(PerfSpeEventsTestHelper, SpeBranches) {
EXPECT_TRUE(checkEvents(1234, 10, {"branches-spe:"}));
}
+TEST_F(PerfSpeEventsTestHelper, SpeBranchesWithBrstack) {
+ // Check perf input with SPE branch events as brstack format.
+ // Example collection command:
+ // ```
+ // perf record -e 'arm_spe_0/branch_filter=1/u' -- BINARY
+ // ```
+ // How Bolt extracts the branch events:
+ // ```
+ // perf script -F pid,brstack --itrace=bl
+ // ```
+
+ opts::ArmSPE = true;
+ opts::ReadPerfEvents = " 1234 0xa001/0xa002/PN/-/-/10/COND/-\n"
+ " 1234 0xb001/0xb002/P/-/-/4/RET/-\n"
+ " 1234 0xc001/0xc002/P/-/-/13/-/-\n"
+ " 1234 0xd001/0xd002/M/-/-/7/RET/-\n"
+ " 1234 0xe001/0xe002/P/-/-/14/RET/-\n"
+ " 1234 0xf001/0xf002/MN/-/-/8/COND/-\n";
+
+ LBREntry Entry1 = {0xa001, 0xa002, false};
+ LBREntry Entry2 = {0xb001, 0xb002, false};
+ LBREntry Entry3 = {0xc001, 0xc002, false};
+ LBREntry Entry4 = {0xd001, 0xd002, true};
+ LBREntry Entry5 = {0xe001, 0xe002, false};
+ LBREntry Entry6 = {0xf001, 0xf002, true};
+ std::vector<SmallVector<LBREntry, 2>> ExpectedSamples = {
+ {{Entry1}}, {{Entry2}}, {{Entry3}}, {{Entry4}}, {{Entry5}}, {{Entry6}},
+ };
----------------
kaadam wrote:
Simplified, thanks for the hint.
https://github.com/llvm/llvm-project/pull/129231
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