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grep branch, master, updated. v3.7-101-gaa8ca91

From: Jim Meyering
Subject: grep branch, master, updated. v3.7-101-gaa8ca91
Date: Sun, 3 Jul 2022 22:44:05 -0400 (EDT)

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The branch, master has been updated
       via  aa8ca91c0810b1fe62cb4ff76621b352ac7a9e6e (commit)
      from  b47a3fb1554cd7d9d69b9c662e8a91438f30025a (commit)

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- Log -----------------------------------------------------------------

commit aa8ca91c0810b1fe62cb4ff76621b352ac7a9e6e
Author: Jim Meyering <>
Date:   Sun Jul 3 11:46:09 2022 -0700

    tests: long-pattern-perf: better handle exhausted virtual memory
    * tests/long-pattern-perf: Don't fail due to a syntax error
    when one of the subtests exhausts virtual memory. The larger
    test (with a 2MiB regexp) needs about 870MiB of virtual memory.
    Require that each timing run exit with status 0, else fail with
    a framework_failure_. Reported by Bruno Haible in

diff --git a/tests/long-pattern-perf b/tests/long-pattern-perf
index 4557bbf..25893e9 100755
--- a/tests/long-pattern-perf
+++ b/tests/long-pattern-perf
@@ -32,8 +32,12 @@ seq 10000 50000 | tr -d '\012' > r || framework_failure_
 cat r r r r r r r r r r > re-10x || framework_failure_
 mv r re || framework_failure_
-base_ms=$(user_time_ 1 grep -f re in    ) || fail=1
-b10x_ms=$(user_time_ 1 grep -f re-10x in) || fail=1
+returns_ 0 user_time_ 1 grep -f re in > base-ms \
+    || framework_failure_ 'failed to compute baseline timing'
+base_ms=$(cat base-ms)
+returns_ 0 user_time_ 1 grep -f re-10x in > b10x-ms \
+    || framework_failure_ 'failed to compute 10x timing'
+b10x_ms=$(cat b10x-ms)
 # Increasing the length of the regular expression by a factor
 # of 10 should cause no more than a 10x increase in duration.


Summary of changes:
 tests/long-pattern-perf | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)


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