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39 lines
1.8 KiB
Plaintext
39 lines
1.8 KiB
Plaintext
# Check perf2bolt binary function which was compiled with pie
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REQUIRES: system-linux, perf
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RUN: %clang %S/Inputs/perf_test.c -fuse-ld=lld -pie -Wl,--script=%S/Inputs/perf_test.lds -o %t
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RUN: perf record -Fmax -e cycles:u -o %t2 -- %t
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RUN: perf2bolt %t -p=%t2 -o %t3 -ba -ignore-build-id --show-density \
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RUN: --heatmap %t.hm 2>&1 | FileCheck %s
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RUN: FileCheck %s --input-file %t.hm-section-hotness.csv --check-prefix=CHECK-HM
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# Multiple perf.data files as input
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RUN: perf2bolt %t -p=%t2 -p %t2 -o %t3.multi -ba -ignore-build-id \
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RUN: | FileCheck %s --check-prefix=CHECK-MULTI
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RUN: perf2bolt %t -p=%t2,%t2 -o %t3.comma -ba -ignore-build-id \
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RUN: | FileCheck %s --check-prefix=CHECK-MULTI
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RUN: cmp %t3.multi %t3.comma
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# Check counts are 2x the original
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RUN: merge-fdata %t3 %t3 | sort > %t3.x2
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RUN: sort %t3.multi > %t3.multi.x2
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RUN: cmp %t3.x2 %t3.multi.x2
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# Pre-aggregated output: compare perf->preagg->fdata vs perf->fdata
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RUN: perf2bolt %t -p=%t2 -o %t2.pa -ba -ignore-build-id --profile-format=preagg
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RUN: perf2bolt %t -p=%t2.pa -o %t2.pa.fdata -ba -pa
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RUN: cmp %t2.pa.fdata %t3
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CHECK-NOT: PERF2BOLT-ERROR
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CHECK-NOT: !! WARNING !! This high mismatch ratio indicates the input binary is probably not the same binary used during profiling collection.
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CHECK: HEATMAP: building heat map
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CHECK: BOLT-INFO: Functions with density >= {{.*}} account for 99.00% total sample counts.
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CHECK-MULTI: PERF2BOLT: Starting data aggregation job
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CHECK-MULTI: PERF2BOLT: Starting data aggregation job
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RUN: %clang %S/Inputs/perf_test.c -no-pie -fuse-ld=lld -o %t4
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RUN: perf record -Fmax -e cycles:u -o %t5 -- %t4
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RUN: perf2bolt %t4 -p=%t5 -o %t6 -ba -ignore-build-id --show-density \
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RUN: --heatmap %t.hm2 2>&1 | FileCheck %s
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RUN: FileCheck %s --input-file %t.hm2-section-hotness.csv --check-prefix=CHECK-HM
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CHECK-HM: .text
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