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tools lib traceevent: Fix "robust" test of do_generate_dynamic_list_file

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The tools/lib/traceevent/Makefile had a test added to it to detect a failure
of the "nm" when making the dynamic list file (whatever that is). The
problem is that the test sorts the values "U W w" and some versions of sort
will place "w" ahead of "W" (even though it has a higher ASCII value, and
break the test.

Add 'tr "w" "W"' to merge the two and not worry about the ordering.

Reported-by: Tzvetomir Stoyanov <[email protected]>
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: David Carrillo-Cisneros <[email protected]>
Cc: He Kuang <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Michal rarek <[email protected]>
Cc: Paul Turner <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Uwe Kleine-König <[email protected]>
Cc: Wang Nan <[email protected]>
Cc: [email protected]
Fixes: 6467753d61 ("tools lib traceevent: Robustify do_generate_dynamic_list_file")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Steven Rostedt (VMware) 2019-08-05 13:01:50 -04:00 • committed by Arnaldo Carvalho de Melo
commit 82a2f88458
1 changed files with 2 additions and 2 deletions
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4
tools/lib/traceevent/Makefile
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@ -266,8 +266,8 @@ endef
define do_generate_dynamic_list_file
symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \
xargs echo "U W w" | tr ' ' '\n' | sort -u | xargs echo`;\
if [ "$$symbol_type" = "U W w" ];then \
xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\
if [ "$$symbol_type" = "U W" ];then \
(echo '{'; \
$(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\
echo '};'; \