[LTP] questions about getrusage04

[Han Pingtian <hanpt@linux.vnet.ibm.com>]

Hey,

I cannot understand why udelta/sdelta > "1000+(BIAS_MAX*factor_nr)" is a
problem. Could any expert give me a explain, please?

And looks like with this patch applied, it works well on powerpc:

diff --git a/testcases/kernel/syscalls/getrusage/getrusage04.c b/testcases/kernel/syscalls/getrusage/getrusage04.c
index 3640295..f118288 100644
--- a/testcases/kernel/syscalls/getrusage/getrusage04.c
+++ b/testcases/kernel/syscalls/getrusage/getrusage04.c
@@ -92,7 +92,7 @@ int main(int argc, char *argv[])
        if (msg != NULL)
                tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);

-#if (__powerpc__) || (__powerpc64__) || (__s390__) || (__s390x__)
+#if (__s390__) || (__s390x__)
        tst_brkm(TCONF, NULL, "This test is not designed for current system");
 #endif

although the initial git comment said that "accuracy on powerpc 
and s390x systems is always 10ms".


Thanks in advance!


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