grep branch, master, updated. v3.3-65-g11d7dd3

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=11d7dd39c9ee5efcb9c0c8e028e3a42b8badb240


commit 11d7dd39c9ee5efcb9c0c8e028e3a42b8badb240
Author: Jim Meyering <address@hidden>
Date:   Tue Dec 31 09:40:37 2019 -0800

    tests: avoid unwarranted failure in a netbsd 8.1 VM
    
    * tests/mb-non-UTF8-perf-Fw: Run twice, to avoid first-read penalty.
    Reported by Nelson H.F. Beebe.

diff --git a/tests/mb-non-UTF8-perf-Fw b/tests/mb-non-UTF8-perf-Fw
index 01098ab..24309a1 100755
--- a/tests/mb-non-UTF8-perf-Fw
+++ b/tests/mb-non-UTF8-perf-Fw
@@ -25,6 +25,13 @@ require_JP_EUC_locale_
 
 yes 00 | head -10000000 > in || framework_failure_
 
+# Since we're using an absolute timeout below and want to avoid any initial
+# disk read performance penalty, run first with a large timeout and no error
+# test to prime any cache. Prompted by a report of test failure on a netbsd8.1
+# VM whereby the first run would take 2.5 MINUTES, yet the second would 
complete
+# in just half a second.
+timeout 500 grep -Fw 0 in
+
 # Before fixing the regression, this would have taken minutes.
 # With the fix, it typically completes in well under one second.
 returns_ 1 timeout 30 grep -Fw 0 in || fail=1

-----------------------------------------------------------------------

Summary of changes:
 tests/mb-non-UTF8-perf-Fw | 7 +++++++
 1 file changed, 7 insertions(+)


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