#include #include #include #include #include #include #include #include "debug.h" #include "tests.h" #include "machine.h" #include "thread_map.h" #include "symbol.h" #include "thread.h" #define THREADS 4 static int go_away; struct thread_data { pthread_t pt; pid_t tid; void *map; int ready[2]; }; static struct thread_data threads[THREADS]; static int thread_init(struct thread_data *td) { void *map; map = mmap(NULL, page_size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, -1, 0); if (map == MAP_FAILED) { perror("mmap failed"); return -1; } td->map = map; td->tid = syscall(SYS_gettid); pr_debug("tid = %d, map = %p\n", td->tid, map); return 0; } static void *thread_fn(void *arg) { struct thread_data *td = arg; ssize_t ret; int go; if (thread_init(td)) return NULL; /* Signal thread_create thread is initialized. */ ret = write(td->ready[1], &go, sizeof(int)); if (ret != sizeof(int)) { pr_err("failed to notify\n"); return NULL; } while (!go_away) { /* Waiting for main thread to kill us. */ usleep(100); } munmap(td->map, page_size); return NULL; } static int thread_create(int i) { struct thread_data *td = &threads[i]; int err, go; if (pipe(td->ready)) return -1; err = pthread_create(&td->pt, NULL, thread_fn, td); if (!err) { /* Wait for thread initialization. */ ssize_t ret = read(td->ready[0], &go, sizeof(int)); err = ret != sizeof(int); } close(td->ready[0]); close(td->ready[1]); return err; } static int threads_create(void) { struct thread_data *td0 = &threads[0]; int i, err = 0; go_away = 0; /* 0 is main thread */ if (thread_init(td0)) return -1; for (i = 1; !err && i < THREADS; i++) err = thread_create(i); return err; } static int threads_destroy(void) { struct thread_data *td0 = &threads[0]; int i, err = 0; /* cleanup the main thread */ munmap(td0->map, page_size); go_away = 1; for (i = 1; !err && i < THREADS; i++) err = pthread_join(threads[i].pt, NULL); return err; } typedef int (*synth_cb)(struct machine *machine); static int synth_all(struct machine *machine) { return perf_event__synthesize_threads(NULL, perf_event__process, machine, 0, 500); } static int synth_process(struct machine *machine) { struct thread_map *map; int err; map = thread_map__new_by_pid(getpid()); err = perf_event__synthesize_thread_map(NULL, map, perf_event__process, machine, 0, 500); thread_map__put(map); return err; } static int mmap_events(synth_cb synth) { struct machine *machine; int err, i; /* * The threads_create will not return before all threads * are spawned and all created memory map. * * They will loop until threads_destroy is called, so we * can safely run synthesizing function. */ TEST_ASSERT_VAL("failed to create threads", !threads_create()); machine = machine__new_host(); dump_trace = verbose > 1 ? 1 : 0; err = synth(machine); dump_trace = 0; TEST_ASSERT_VAL("failed to destroy threads", !threads_destroy()); TEST_ASSERT_VAL("failed to synthesize maps", !err); /* * All data is synthesized, try to find map for each * thread object. */ for (i = 0; i < THREADS; i++) { struct thread_data *td = &threads[i]; struct addr_location al; struct thread *thread; thread = machine__findnew_thread(machine, getpid(), td->tid); pr_debug("looking for map %p\n", td->map); thread__find_addr_map(thread, PERF_RECORD_MISC_USER, MAP__FUNCTION, (unsigned long) (td->map + 1), &al); thread__put(thread); if (!al.map) { pr_debug("failed, couldn't find map\n"); err = -1; break; } pr_debug("map %p, addr %" PRIx64 "\n", al.map, al.map->start); } machine__delete_threads(machine); machine__delete(machine); return err; } /* * This test creates 'THREADS' number of threads (including * main thread) and each thread creates memory map. * * When threads are created, we synthesize them with both * (separate tests): * perf_event__synthesize_thread_map (process based) * perf_event__synthesize_threads (global) * * We test we can find all memory maps via: * thread__find_addr_map * * by using all thread objects. */ int test__mmap_thread_lookup(int subtest __maybe_unused) { /* perf_event__synthesize_threads synthesize */ TEST_ASSERT_VAL("failed with sythesizing all", !mmap_events(synth_all)); /* perf_event__synthesize_thread_map synthesize */ TEST_ASSERT_VAL("failed with sythesizing process", !mmap_events(synth_process)); return 0; } lass='button' href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/clock/ath79-clk.h?id=5cb82a38c6b5152b1deaba0c1596ce63222a4710'>logplain -rw-r--r--axis,artpec6-clkctrl.h1112logplain -rw-r--r--bcm-cygnus.h3135logplain -rw-r--r--bcm-ns2.h2915logplain -rw-r--r--bcm-nsp.h2148logplain -rw-r--r--bcm21664.h1984logplain -rw-r--r--bcm281xx.h2456logplain -rw-r--r--bcm2835-aux.h635logplain -rw-r--r--bcm2835.h1962logplain -rw-r--r--berlin2.h1034logplain -rw-r--r--berlin2q.h695logplain -rw-r--r--clps711x-clock.h718logplain -rw-r--r--efm32-cmu.h1112logplain -rw-r--r--exynos-audss-clk.h597logplain -rw-r--r--exynos3250.h9083logplain -rw-r--r--exynos4.h8284logplain -rw-r--r--exynos4415.h9828logplain -rw-r--r--exynos5250.h4616logplain -rw-r--r--exynos5260-clk.h14876logplain -rw-r--r--exynos5410.h1689logplain -rw-r--r--exynos5420.h6857logplain -rw-r--r--exynos5433.h45372logplain -rw-r--r--exynos5440.h1141logplain -rw-r--r--exynos7-clk.h5281logplain -rw-r--r--gxbb-aoclkc.h2866logplain -rw-r--r--gxbb-clkc.h592logplain -rw-r--r--hi3516cv300-clock.h1668logplain -rw-r--r--hi3519-clock.h1328logplain -rw-r--r--hi3620-clock.h4496logplain -rw-r--r--hi6220-clock.h4508logplain -rw-r--r--hip04-clock.h1137logplain -rw-r--r--histb-clock.h2012logplain -rw-r--r--hix5hd2-clock.h2415logplain -rw-r--r--imx1-clock.h1055logplain -rw-r--r--imx21-clock.h2461logplain -rw-r--r--imx27-clock.h3494logplain -rw-r--r--imx5-clock.h7212logplain -rw-r--r--imx6qdl-clock.h9593logplain -rw-r--r--imx6sl-clock.h5849logplain -rw-r--r--imx6sx-clock.h9099logplain -rw-r--r--imx6ul-clock.h8203logplain -rw-r--r--imx7d-clock.h15974logplain -rw-r--r--jz4740-cgu.h1028logplain -rw-r--r--jz4780-cgu.h2470logplain -rw-r--r--lpc18xx-ccu.h2134logplain -rw-r--r--lpc18xx-cgu.h1142logplain -rw-r--r--lpc32xx-clock.h1633logplain -rw-r--r--lsi,axm5516-clks.h974logplain -rw-r--r--marvell,mmp2.h2022logplain -rw-r--r--marvell,pxa168.h1654logplain -rw-r--r--marvell,pxa1928.h1535logplain -rw-r--r--marvell,pxa910.h1598logplain -rw-r--r--maxim,max77620.h632logplain -rw-r--r--maxim,max77686.h648logplain -rw-r--r--maxim,max77802.h630logplain -rw-r--r--meson8b-clkc.h523logplain -rw-r--r--microchip,pic32-clock.h1150logplain -rw-r--r--mpc512x-clock.h2236logplain -rw-r--r--mt2701-clk.h13832logplain -rw-r--r--mt8135-clk.h5641logplain -rw-r--r--mt8173-clk.h9293logplain -rw-r--r--oxsemi,ox810se.h1002logplain -rw-r--r--oxsemi,ox820.h1203logplain -rw-r--r--pistachio-clk.h4863logplain -rw-r--r--pxa-clock.h1715logplain -rw-r--r--qcom,gcc-apq8084.h12872logplain -rw-r--r--qcom,gcc-ipq4019.h5423logplain -rw-r--r--qcom,gcc-ipq806x.h8574logplain -rw-r--r--qcom,gcc-mdm9615.h9497logplain -rw-r--r--qcom,gcc-msm8660.h7932logplain -rw-r--r--qcom,gcc-msm8916.h6190logplain -rw-r--r--qcom,gcc-msm8960.h9342logplain -rw-r--r--qcom,gcc-msm8974.h12340logplain -rw-r--r--qcom,gcc-msm8994.h4858logplain -rw-r--r--qcom,gcc-msm8996.h12575logplain -rw-r--r--qcom,lcc-ipq806x.h899logplain -rw-r--r--qcom,lcc-mdm9615.h1701logplain -rw-r--r--qcom,lcc-msm8960.h1616logplain -rw-r--r--qcom,mmcc-apq8084.h5722logplain -rw-r--r--qcom,mmcc-msm8960.h4109logplain -rw-r--r--qcom,mmcc-msm8974.h5223logplain -rw-r--r--qcom,mmcc-msm8996.h9403logplain -rw-r--r--qcom,rpmcc.h2101logplain -rw-r--r--r7s72100-clock.h1218logplain -rw-r--r--r8a73a4-clock.h1596logplain -rw-r--r--r8a7740-clock.h1992logplain -rw-r--r--r8a7743-cpg-mssr.h1269logplain -rw-r--r--r8a7745-cpg-mssr.h1298logplain -rw-r--r--r8a7778-clock.h1855logplain -rw-r--r--r8a7779-clock.h1647logplain -rw-r--r--r8a7790-clock.h4367logplain -rw-r--r--r8a7791-clock.h4388logplain -rw-r--r--r8a7792-clock.h2562logplain -rw-r--r--r8a7793-clock.h4561logplain -rw-r--r--r8a7794-clock.h3679logplain -rw-r--r--r8a7795-cpg-mssr.h1890logplain -rw-r--r--r8a7796-cpg-mssr.h2066logplain -rw-r--r--renesas-cpg-mssr.h542logplain -rw-r--r--rk1108-cru.h6605logplain -rw-r--r--rk3036-cru.h4584logplain -rw-r--r--rk3066a-cru.h1068logplain -rw-r--r--rk3188-cru-common.h6105logplain -rw-r--r--rk3188-cru.h1435logplain