/* * Originally done by Vince Weaver for * perf_event_tests (git://github.com/deater/perf_event_tests) */ /* * Powerpc needs __SANE_USERSPACE_TYPES__ before to select * 'int-ll64.h' and avoid compile warnings when printing __u64 with %llu. */ #define __SANE_USERSPACE_TYPES__ #include #include #include #include #include #include #include #include #include #include #include #include "tests.h" #include "debug.h" #include "perf.h" #include "cloexec.h" static int overflows; __attribute__ ((noinline)) static int test_function(void) { return time(NULL); } static void sig_handler(int signum __maybe_unused, siginfo_t *oh __maybe_unused, void *uc __maybe_unused) { overflows++; } static long long bp_count(int fd) { long long count; int ret; ret = read(fd, &count, sizeof(long long)); if (ret != sizeof(long long)) { pr_debug("failed to read: %d\n", ret); return TEST_FAIL; } return count; } #define EXECUTIONS 10000 #define THRESHOLD 100 int test__bp_signal_overflow(int subtest __maybe_unused) { struct perf_event_attr pe; struct sigaction sa; long long count; int fd, i, fails = 0; /* setup SIGIO signal handler */ memset(&sa, 0, sizeof(struct sigaction)); sa.sa_sigaction = (void *) sig_handler; sa.sa_flags = SA_SIGINFO; if (sigaction(SIGIO, &sa, NULL) < 0) { pr_debug("failed setting up signal handler\n"); return TEST_FAIL; } memset(&pe, 0, sizeof(struct perf_event_attr)); pe.type = PERF_TYPE_BREAKPOINT; pe.size = sizeof(struct perf_event_attr); pe.config = 0; pe.bp_type = HW_BREAKPOINT_X; pe.bp_addr = (unsigned long) test_function; pe.bp_len = sizeof(long); pe.sample_period = THRESHOLD; pe.sample_type = PERF_SAMPLE_IP; pe.wakeup_events = 1; pe.disabled = 1; pe.exclude_kernel = 1; pe.exclude_hv = 1; fd = sys_perf_event_open(&pe, 0, -1, -1, perf_event_open_cloexec_flag()); if (fd < 0) { pr_debug("failed opening event %llx\n", pe.config); return TEST_FAIL; } fcntl(fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC); fcntl(fd, F_SETSIG, SIGIO); fcntl(fd, F_SETOWN, getpid()); ioctl(fd, PERF_EVENT_IOC_RESET, 0); ioctl(fd, PERF_EVENT_IOC_ENABLE, 0); for (i = 0; i < EXECUTIONS; i++) test_function(); ioctl(fd, PERF_EVENT_IOC_DISABLE, 0); count = bp_count(fd); close(fd); pr_debug("count %lld, overflow %d\n", count, overflows); if (count != EXECUTIONS) { pr_debug("\tWrong number of executions %lld != %d\n", count, EXECUTIONS); fails++; } if (overflows != EXECUTIONS / THRESHOLD) { pr_debug("\tWrong number of overflows %d != %d\n", overflows, EXECUTIONS / THRESHOLD); fails++; } return fails ? TEST_FAIL : TEST_OK; } ame='q' value=''/>
path: root/tools/perf/pmu-events/arch/x86/jaketown/virtual-memory.json
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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-01-17 13:46:29 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2017-01-23 22:41:33 +0800
commit11e3b725cfc282efe9d4a354153e99d86a16af08 (patch)
tree8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6 /tools/perf/pmu-events/arch/x86/jaketown/virtual-memory.json
parentd6040764adcb5cb6de1489422411d701c158bb69 (diff)
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
Update the ARMv8 Crypto Extensions and the plain NEON AES implementations in CBC and CTR modes to return the next IV back to the skcipher API client. This is necessary for chaining to work correctly. Note that for CTR, this is only done if the request is a round multiple of the block size, since otherwise, chaining is impossible anyway. Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'tools/perf/pmu-events/arch/x86/jaketown/virtual-memory.json')