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Diffstat (limited to 'powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c')
-rw-r--r--powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c b/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
deleted file mode 100644
index d3ed64d..0000000
--- a/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
- */
-
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include "ebb.h"
-
-
-/*
- * Tests a pinned cpu event vs an EBB - in that order. The pinned cpu event
- * should remain and the EBB event should fail to enable.
- */
-
-static int setup_cpu_event(struct event *event, int cpu)
-{
- event_init_named(event, 0x400FA, "PM_RUN_INST_CMPL");
-
- event->attr.pinned = 1;
-
- event->attr.exclude_kernel = 1;
- event->attr.exclude_hv = 1;
- event->attr.exclude_idle = 1;
-
- SKIP_IF(require_paranoia_below(1));
- FAIL_IF(event_open_with_cpu(event, cpu));
- FAIL_IF(event_enable(event));
-
- return 0;
-}
-
-int cpu_event_pinned_vs_ebb(void)
-{
- union pipe read_pipe, write_pipe;
- struct event event;
- int cpu, rc;
- pid_t pid;
-
- cpu = pick_online_cpu();
- FAIL_IF(cpu < 0);
- FAIL_IF(bind_to_cpu(cpu));
-
- FAIL_IF(pipe(read_pipe.fds) == -1);
- FAIL_IF(pipe(write_pipe.fds) == -1);
-
- pid = fork();
- if (pid == 0) {
- /* NB order of pipes looks reversed */
- exit(ebb_child(write_pipe, read_pipe));
- }
-
- /* We setup the cpu event first */
- rc = setup_cpu_event(&event, cpu);
- if (rc) {
- kill_child_and_wait(pid);
- return rc;
- }
-
- /* Signal the child to install its EBB event and wait */
- if (sync_with_child(read_pipe, write_pipe))
- /* If it fails, wait for it to exit */
- goto wait;
-
- /* Signal the child to run */
- FAIL_IF(sync_with_child(read_pipe, write_pipe));
-
-wait:
- /* We expect it to fail to read the event */
- FAIL_IF(wait_for_child(pid) != 2);
-
- FAIL_IF(event_disable(&event));
- FAIL_IF(event_read(&event));
-
- event_report(&event);
-
- /* The cpu event should have run */
- FAIL_IF(event.result.value == 0);
- FAIL_IF(event.result.enabled != event.result.running);
-
- return 0;
-}
-
-int main(void)
-{
- return test_harness(cpu_event_pinned_vs_ebb, "cpu_event_pinned_vs_ebb");
-}