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perf tools: Fix pager on minimal-install embedded systems

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Some Distributions may lack "less" package being included by default,
e.g., Linaro nano rootfs. In those cases use the portable "pager"
command instead of "less".

Signed-off-by: Avik Sil <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Avik Sil 2012-05-29 16:05:25 +05:30 • committed by Arnaldo Carvalho de Melo
commit ea1b3ebac9
1 changed files with 4 additions and 0 deletions
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4
tools/perf/util/pager.c
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@ -57,6 +57,10 @@ void setup_pager(void)
}
if (!pager)
pager = getenv("PAGER");
if (!pager) {
if (!access("/usr/bin/pager", X_OK))
pager = "/usr/bin/pager";
}
if (!pager)
pager = "less";
else if (!*pager || !strcmp(pager, "cat"))