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authorSiddhesh Poyarekar <siddhesh@redhat.com>2013-04-03 14:20:56 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2013-04-03 15:52:16 +0530
commit90d5d5bbd8a6d41926c8bb6ac9f367bf956c623f (patch)
treec18d6ba8ae7dc505f5338b8c406bc7faae93a506 /Rules
parent73e0cd5d0de276a6c41c78920ff79d8e11991240 (diff)
Update bench.out and bench.out.old only upon completion
Write output from the currently running benchmark into a temporary file and move files around only once the current run is complete. That way we don't lose data from the last two runs due to an incomplete run.
Diffstat (limited to 'Rules')
-rw-r--r--Rules11
1 files changed, 6 insertions, 5 deletions
diff --git a/Rules b/Rules
index 9ad1d11127..d4a0027dd6 100644
--- a/Rules
+++ b/Rules
@@ -197,13 +197,14 @@ run-bench = $(test-wrapper-env) \
$($*-ENV) $(run-via-rtld-prefix) $${run}
bench: $(binaries-bench)
- if [ -f $(objpfx)bench.out ]; then \
- mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
- fi
for run in $^; do \
echo "Running $${run}"; \
- eval $(run-bench) >> $(objpfx)bench.out; \
- done
+ eval $(run-bench) >> $(objpfx)bench.out-tmp; \
+ done; \
+ if [ -f $(objpfx)bench.out ]; then \
+ mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
+ fi; \
+ mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out
$(binaries-bench): %: %.o \
$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \