19 lines
665 B
Diff
19 lines
665 B
Diff
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diff --git a/pahole.c b/pahole.c
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index 6fc4ed6..a4e306f 100644
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--- a/pahole.c
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+++ b/pahole.c
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@@ -1687,8 +1687,11 @@ static error_t pahole__options_parser(int key, char *arg,
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class_name = arg; break;
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case 'j':
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#if _ELFUTILS_PREREQ(0, 178)
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- conf_load.nr_jobs = arg ? atoi(arg) :
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- sysconf(_SC_NPROCESSORS_ONLN) * 1.1;
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+ // Force single thread if reproducibility is desirable.
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+ if (!getenv("SOURCE_DATE_EPOCH")) {
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+ conf_load.nr_jobs = arg ? atoi(arg) :
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+ sysconf(_SC_NPROCESSORS_ONLN) * 1.1;
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+ }
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#else
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fputs("pahole: Multithreading requires elfutils >= 0.178. Continuing with a single thread...\n", stderr);
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#endif
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