diff options
| -rw-r--r-- | testsuite/ChangeLog | 2 | ||||
| -rw-r--r-- | testsuite/systemtap.base/timers.stp | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/testsuite/ChangeLog b/testsuite/ChangeLog index 019224e8..93d82e7a 100644 --- a/testsuite/ChangeLog +++ b/testsuite/ChangeLog @@ -4,6 +4,8 @@ kernel.function("scheduler_tick") instead of timer.jiffies so the test works on all kernels. The test needs a probe that is invoked often on all cpus. + * systemtap.base/timers.stp: Fudge the comparison a bit between + jiffies(1) and profile to allow for slop between start/end times. 2006-10-30 Martin Hunt <hunt@redhat.com> diff --git a/testsuite/systemtap.base/timers.stp b/testsuite/systemtap.base/timers.stp index 8b990aab..fb590edc 100644 --- a/testsuite/systemtap.base/timers.stp +++ b/testsuite/systemtap.base/timers.stp @@ -38,7 +38,8 @@ probe end /* profile counter should be non-zero, and at * least as many as the jiffies(1) counter */ - if ((p > 0) && (p >= j1)) { + /* (fudge comparison by ~1% since start & end aren't synchronized) */ + if ((p > 0) && (p*100 >= j1*99)) { printf("systemtap test success\n") } else { printf("unexpected profile count: %d profiles and %d jiffies\n", p, j1) |