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test-barrier: skip the test in virtualized/containerized environments

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This commit is contained in:
Frantisek Sumsal 2019-01-26 17:03:34 +01:00 committed by Lennart Poettering
parent 1dea095cdb
commit a1e3f0f38b
1 changed files with 17 additions and 0 deletions
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17
src/test/test-barrier.c
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@ -17,6 +17,7 @@
#include "barrier.h"
#include "util.h"
#include "tests.h"
#include "virt.h"
/* 20ms to test deadlocks; All timings use multiples of this constant as
* alarm/sleep timers. If this timeout is too small for slow machines to perform
@ -420,11 +421,27 @@ TEST_BARRIER(test_barrier_pending_exit,
TEST_BARRIER_WAIT_SUCCESS(pid2));
int main(int argc, char *argv[]) {
int v;
test_setup_logging(LOG_INFO);
if (!slow_tests_enabled())
return log_tests_skipped("slow tests are disabled");
/*
* This test uses real-time alarms and sleeps to test for CPU races
* explicitly. This is highly fragile if your system is under load. We
* already increased the BASE_TIME value to make the tests more robust,
* but that just makes the test take significantly longer. Given the recent
* issues when running the test in a virtualized environments, limit it
* to bare metal machines only, to minimize false-positives in CIs.
*/
v = detect_virtualization();
if (IN_SET(v, -EPERM, -EACCES))
return log_tests_skipped("Cannot detect virtualization");
if (v != VIRTUALIZATION_NONE)
return log_tests_skipped("This test requires a baremetal machine");
test_barrier_sync();
test_barrier_wait_next();
test_barrier_wait_next_twice();