perf tests: Move test__rdpmc into separate object

Separating test__rdpmc test from the builtin-test
into rdpmc object.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1352508412-16914-7-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 0 insertions, 168 deletions

diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 7cb3928d896a..1e9a0ea68fb2 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -30,174 +30,6 @@
 #include <sched.h>
 
 
-
-#if defined(__x86_64__) || defined(__i386__)
-
-#define barrier() asm volatile("" ::: "memory")
-
-static u64 rdpmc(unsigned int counter)
-{
-        unsigned int low, high;
-
-        asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter));
-
-        return low | ((u64)high) << 32;
-}
-
-static u64 rdtsc(void)
-{
-        unsigned int low, high;
-
-        asm volatile("rdtsc" : "=a" (low), "=d" (high));
-
-        return low | ((u64)high) << 32;
-}
-
-static u64 mmap_read_self(void *addr)
-{
-        struct perf_event_mmap_page *pc = addr;
-        u32 seq, idx, time_mult = 0, time_shift = 0;
-        u64 count, cyc = 0, time_offset = 0, enabled, running, delta;
-
-        do {
-                seq = pc->lock;
-                barrier();
-
-                enabled = pc->time_enabled;
-                running = pc->time_running;
-
-                if (enabled != running) {
-                        cyc = rdtsc();
-                        time_mult = pc->time_mult;
-                        time_shift = pc->time_shift;
-                        time_offset = pc->time_offset;
-                }
-
-                idx = pc->index;
-                count = pc->offset;
-                if (idx)
-                        count += rdpmc(idx - 1);
-
-                barrier();
-        } while (pc->lock != seq);
-
-        if (enabled != running) {
-                u64 quot, rem;
-
-                quot = (cyc >> time_shift);
-                rem = cyc & ((1 << time_shift) - 1);
-                delta = time_offset + quot * time_mult +
-                        ((rem * time_mult) >> time_shift);
-
-                enabled += delta;
-                if (idx)
-                        running += delta;
-
-                quot = count / running;
-                rem = count % running;
-                count = quot * enabled + (rem * enabled) / running;
-        }
-
-        return count;
-}
-
-/*
- * If the RDPMC instruction faults then signal this back to the test parent task:
- */
-static void segfault_handler(int sig __maybe_unused,
-                             siginfo_t *info __maybe_unused,
-                             void *uc __maybe_unused)
-{
-        exit(-1);
-}
-
-static int __test__rdpmc(void)
-{
-        volatile int tmp = 0;
-        u64 i, loops = 1000;
-        int n;
-        int fd;
-        void *addr;
-        struct perf_event_attr attr = {
-                .type = PERF_TYPE_HARDWARE,
-                .config = PERF_COUNT_HW_INSTRUCTIONS,
-                .exclude_kernel = 1,
-        };
-        u64 delta_sum = 0;
-        struct sigaction sa;
-
-        sigfillset(&sa.sa_mask);
-        sa.sa_sigaction = segfault_handler;
-        sigaction(SIGSEGV, &sa, NULL);
-
-        fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
-        if (fd < 0) {
-                pr_err("Error: sys_perf_event_open() syscall returned "
-                       "with %d (%s)\n", fd, strerror(errno));
-                return -1;
-        }
-
-        addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0);
-        if (addr == (void *)(-1)) {
-                pr_err("Error: mmap() syscall returned with (%s)\n",
-                       strerror(errno));
-                goto out_close;
-        }
-
-        for (n = 0; n < 6; n++) {
-                u64 stamp, now, delta;
-
-                stamp = mmap_read_self(addr);
-
-                for (i = 0; i < loops; i++)
-                        tmp++;
-
-                now = mmap_read_self(addr);
-                loops *= 10;
-
-                delta = now - stamp;
-                pr_debug("%14d: %14Lu\n", n, (long long)delta);
-
-                delta_sum += delta;
-        }
-
-        munmap(addr, page_size);
-        pr_debug("   ");
-out_close:
-        close(fd);
-
-        if (!delta_sum)
-                return -1;
-
-        return 0;
-}
-
-static int test__rdpmc(void)
-{
-        int status = 0;
-        int wret = 0;
-        int ret;
-        int pid;
-
-        pid = fork();
-        if (pid < 0)
-                return -1;
-
-        if (!pid) {
-                ret = __test__rdpmc();
-
-                exit(ret);
-        }
-
-        wret = waitpid(pid, &status, 0);
-        if (wret < 0 || status)
-                return -1;
-
-        return 0;
-}
-
-#endif
-
 static int test__perf_pmu(void)
 {
         return perf_pmu__test();