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/linux/tools/testing/selftests/ftrace/test.d/event/
H A Devent-mod.tc4 # requires: set_event "Can enable module events via: :mod:":README
7 rmmod trace-events-sample ||:
8 if ! modprobe trace-events-sample ; then
9 echo "No trace-events sample module - please make CONFIG_SAMPLE_TRACE_EVENTS=m"
12 trap "rmmod trace-events-sample" EXIT
14 # Set events for the module
15 echo ":mod:trace-events-sample" > set_event
25 val=`cat events/sample-trace/enable`
33 val=`cat events/enable`
45 echo clear all events
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/linux/drivers/net/ethernet/mellanox/mlx5/core/
H A Devents.c8 #include "lib/events.h"
15 /* General events handlers for the low level mlx5_core driver
17 * Other Major feature specific events such as
26 /* handler which forwards the event to events->fw_nh, driver notifiers */
30 /* Events to be processed by mlx5_core */
36 /* Events to be forwarded (as is) to mlx5 core interfaces (mlx5e/mlx5_ib) */
40 /* QP/WQ resource events to forward */
50 /* SRQ events */
59 /* driver notifier chain for fw events */
61 /* port module events stats */
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/linux/tools/testing/selftests/powerpc/security/
H A Dspectre_v2.c25 static int do_count_loop(struct event *events, bool is_p9, s64 *miss_percent) in do_count_loop() argument
38 event_read(&events[0]); in do_count_loop()
39 event_read(&events[1]); in do_count_loop()
41 // We could scale all the events by running/enabled but we're lazy in do_count_loop()
43 FAIL_IF(events[0].result.running != events[0].result.enabled); in do_count_loop()
44 FAIL_IF(events[1].result.running != events[1].result.enabled); in do_count_loop()
46 pred = events[0].result.value; in do_count_loop()
47 mpred = events[1].result.value; in do_count_loop()
50 event_read(&events[2]); in do_count_loop()
51 event_read(&events[3]); in do_count_loop()
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/linux/tools/testing/selftests/powerpc/pmu/
H A Dcount_instructions.c29 static int do_count_loop(struct event *events, u64 instructions, in do_count_loop() argument
42 event_read(&events[0]); in do_count_loop()
43 event_read(&events[1]); in do_count_loop()
46 difference = events[0].result.value - expected; in do_count_loop()
47 percentage = (double)difference / events[0].result.value * 100; in do_count_loop()
50 event_report(&events[0]); in do_count_loop()
51 event_report(&events[1]); in do_count_loop()
55 printf("Actual %llu\n", events[0].result.value); in do_count_loop()
59 event_reset(&events[0]); in do_count_loop()
60 event_reset(&events[1]); in do_count_loop()
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H A Dper_event_excludes.c25 struct event *e, events[4]; in per_event_excludes() local
31 * We need to create the events disabled, otherwise the running/enabled in per_event_excludes()
34 e = &events[0]; in per_event_excludes()
39 e = &events[1]; in per_event_excludes()
46 e = &events[2]; in per_event_excludes()
53 e = &events[3]; in per_event_excludes()
60 FAIL_IF(event_open(&events[0])); in per_event_excludes()
65 * and we're asking for the events to be in a group. in per_event_excludes()
68 FAIL_IF(event_open_with_group(&events[i], events[0].fd)); in per_event_excludes()
83 FAIL_IF(event_read(&events[i])); in per_event_excludes()
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/linux/samples/cgroup/
H A Dmemcg_event_listener.c3 * memcg_event_listener.c - Simple listener of memcg memory.events
21 #define MEMCG_EVENTS "memory.events"
23 /* Size of buffer to use when reading inotify events */
53 printf("MEMCG events:\n"); in print_memcg_counters()
100 static int read_memcg_events(struct memcg_events *events, bool show_diff) in read_memcg_events() argument
102 FILE *fp = fopen(events->path, "re"); in read_memcg_events()
109 struct memcg_counters *counters = &events->counters; in read_memcg_events()
148 warn("Failed to open memcg events file %s", events->path); in read_memcg_events()
195 printf("*** No new untracked memcg events available\n"); in read_memcg_events()
204 static void process_memcg_events(struct memcg_events *events, in process_memcg_events() argument
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/linux/drivers/gpu/drm/arm/display/komeda/
H A Dkomeda_event.c54 static void evt_str(struct komeda_str *str, u64 events) in evt_str() argument
56 if (events == 0ULL) { in evt_str()
61 evt_sprintf(str, events & KOMEDA_EVENT_VSYNC, "VSYNC|"); in evt_str()
62 evt_sprintf(str, events & KOMEDA_EVENT_FLIP, "FLIP|"); in evt_str()
63 evt_sprintf(str, events & KOMEDA_EVENT_EOW, "EOW|"); in evt_str()
64 evt_sprintf(str, events & KOMEDA_EVENT_MODE, "OP-MODE|"); in evt_str()
66 evt_sprintf(str, events & KOMEDA_EVENT_URUN, "UNDERRUN|"); in evt_str()
67 evt_sprintf(str, events & KOMEDA_EVENT_OVR, "OVERRUN|"); in evt_str()
70 evt_sprintf(str, events & KOMEDA_ERR_MERR, "MERR|"); in evt_str()
71 evt_sprintf(str, events & KOMEDA_ERR_FRAMETO, "FRAMETO|"); in evt_str()
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/linux/tools/testing/selftests/ftrace/test.d/00basic/
H A Dtest_ownership.tc25 canary="events/timer events/timer/timer_cancel events/timer/timer_cancel/format"
59 …for d in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable…
63 chgrp $original_group events
64 test "events" $original_group
65 …for d in "." "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary…
69 chgrp $original_group events/sched
70 test "events/sched" $original_group
71 for d in "." "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
75 chgrp $original_group events/sched/sched_switch
76 test "events/sched/sched_switch" $original_group
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/linux/tools/perf/pmu-events/
H A DBuild1 pmu-events-y += pmu-events.o
2 JDIR = pmu-events/arch/$(SRCARCH)
5 JDIR_TEST = pmu-events/arch/test
8 JEVENTS_PY = pmu-events/jevents.py
9 METRIC_PY = pmu-events/metric.py
10 METRIC_TEST_PY = pmu-events/metric_test.py
11 EMPTY_PMU_EVENTS_C = pmu-events/empty-pmu-events.c
12 PMU_EVENTS_C = $(OUTPUT)pmu-events/pmu-events.c
13 METRIC_TEST_LOG = $(OUTPUT)pmu-events/metric_test.log
14 TEST_EMPTY_PMU_EVENTS_C = $(OUTPUT)pmu-events/test-empty-pmu-events.c
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H A DREADME2 The contents of this directory allow users to specify PMU events in their
9 tree tools/perf/pmu-events/arch/foo.
12 JSON files, each of which describes a set of PMU events.
14 - The CSV file that maps a specific CPU to its set of PMU events is to
21 events", defined in architecture standard JSONs.
25 The PMU events supported by a CPU model are expected to grouped into topics
26 such as Pipelining, Cache, Memory, Floating-point etc. All events for a topic
33 $ ls tools/perf/pmu-events/arch/x86/silvermont
42 'pmu-events.c', which encodes the two sets of tables:
44 - Set of 'PMU events tables' for all known CPUs in the architecture,
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/linux/tools/perf/tests/
H A Dpfm.c33 const char *events; in test__pfm_events() member
37 .events = "", in test__pfm_events()
41 .events = "instructions", in test__pfm_events()
45 .events = "instructions,cycles", in test__pfm_events()
49 .events = "stereolab", in test__pfm_events()
53 .events = "instructions,instructions", in test__pfm_events()
57 .events = "stereolab,instructions", in test__pfm_events()
61 .events = "instructions,stereolab", in test__pfm_events()
73 table[i].events, in test__pfm_events()
75 TEST_ASSERT_EQUAL(table[i].events, in test__pfm_events()
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/linux/tools/testing/selftests/powerpc/pmu/event_code_tests/
H A Devent_alternatives_tests_p10.c27 struct event *e, events[5]; in event_alternatives_tests_p10() local
35 * alternative events is handled by respective PMU driver in event_alternatives_tests_p10()
47 e = &events[0]; in event_alternatives_tests_p10()
50 e = &events[1]; in event_alternatives_tests_p10()
53 e = &events[2]; in event_alternatives_tests_p10()
56 e = &events[3]; in event_alternatives_tests_p10()
59 e = &events[4]; in event_alternatives_tests_p10()
62 FAIL_IF(event_open(&events[0])); in event_alternatives_tests_p10()
66 * 0x600f4 in PMC6. So it can go in with other events in event_alternatives_tests_p10()
70 FAIL_IF(event_open_with_group(&events[i], events[0].fd)); in event_alternatives_tests_p10()
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/linux/tools/testing/selftests/hid/tests/
H A Dtest_apple_keyboard.py173 events = uhdev.next_sync_events()
174 self.debug_reports(r, uhdev, events)
175 self.assertInputEventsIn(expected, events)
182 events = uhdev.next_sync_events()
183 self.debug_reports(r, uhdev, events)
184 self.assertInputEventsIn(expected, events)
198 events = uhdev.next_sync_events()
199 self.debug_reports(r, uhdev, events)
200 self.assertInputEventsIn(expected, events)
206 events = uhdev.next_sync_events()
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H A Dtest_sony.py45 events = uhdev.next_sync_events("Accelerometer")
46 self.debug_reports(r, uhdev, events)
48 assert libevdev.InputEvent(libevdev.EV_ABS.ABS_X) in events
56 events = uhdev.next_sync_events("Accelerometer")
57 self.debug_reports(r, uhdev, events)
59 assert libevdev.InputEvent(libevdev.EV_ABS.ABS_Y) in events
65 events = uhdev.next_sync_events("Accelerometer")
66 self.debug_reports(r, uhdev, events)
68 assert libevdev.InputEvent(libevdev.EV_ABS.ABS_Z) in events
78 events = uhdev.next_sync_events("Accelerometer")
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/linux/block/
H A Ddisk-events.c3 * Disk events - monitor disk events like media change and eject request.
17 unsigned int pending; /* events already sent out */
18 unsigned int clearing; /* events being cleared */
60 * @disk: disk to block events for
64 * disk_unblock_events(). Events blocking is counted and the actual
125 * @disk: disk to unblock events for
128 * starts events polling if configured.
141 * @disk: disk to check and flush events for
142 * @mask: events to flush
144 * Schedule immediate event checking on @disk if not blocked. Events in
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/linux/tools/testing/selftests/ftrace/test.d/trigger/
H A Dtrigger-filter.tc4 # requires: set_event events/sched/sched_process_fork/trigger
14 echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
23 ! echo 'traceoff if a' > events/sched/sched_process_fork/trigger
24 ! echo 'traceoff if common_pid=0' > events/sched/sched_process_fork/trigger
25 ! echo 'traceoff if common_pid==b' > events/sched/sched_process_fork/trigger
26 echo 'traceoff if common_pid == 0' > events/sched/sched_process_fork/trigger
27 echo '!traceoff' > events/sched/sched_process_fork/trigger
28 ! echo 'traceoff if common_pid == child_pid' > events/sched/sched_process_fork/trigger
29 echo 'traceoff if common_pid <= 0' > events/sched/sched_process_fork/trigger
30 echo '!traceoff' > events/sched/sched_process_fork/trigger
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H A Dtrigger-multihist.tc4 # requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist
14 echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
15 echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger
17 grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
19 grep child events/sched/sched_process_fork/hist > /dev/null || \
22 grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
29 echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger
31 grep test_hist events/sched/sched_process_fork/hist > /dev/null || \
34 echo "Test same named histogram on different events"
36 echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger
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/linux/tools/testing/selftests/ftrace/test.d/dynevent/
H A Dadd_remove_eprobe.tc3 # description: Generic dynamic event - add/remove eprobe events
4 # requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<ar…
6 echo 0 > events/enable
18 test -d events/eprobes/$EPROBE
20 echo 1 > events/eprobes/$EPROBE/enable
22 echo 0 > events/eprobes/$EPROBE/enable
38 ! test -d events/eprobes/$EPROBE
45 test -d events/eprobes/$EPROBE
48 ! test -d events/eprobes/$EPROBE
53 test -d events/eprobes/$EPROBE
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H A Dadd_remove_tprobe_module.tc3 # description: Generic dynamic event - add/remove tracepoint probe events on module
6 rmmod trace-events-sample ||:
7 if ! modprobe trace-events-sample ; then
8 echo "No trace-events sample module - please make CONFIG_SAMPLE_TRACE_EVENTS=m"
11 trap "rmmod trace-events-sample" EXIT
13 echo 0 > events/enable
24 test -d events/tracepoints/myevent1
25 test -d events/tracepoints/myevent2
37 rmmod trace-events-sample
44 test -d events/tracepoints/myevent1
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/linux/tools/testing/selftests/filesystems/epoll/
H A Depoll_wakeup_test.c30 static inline int sys_epoll_pwait2(int fd, struct epoll_event *events, in sys_epoll_pwait2() argument
35 return syscall(__NR_epoll_pwait2, fd, events, maxevents, timeout, in sys_epoll_pwait2()
68 pfd.events = POLLIN; in waiter_entry1ap()
95 pfd.events = POLLIN; in waiter_entry1op()
106 struct epoll_event events[2]; in waiter_entry2a() local
109 if (epoll_wait(ctx->efd[0], events, 2, -1) > 0) in waiter_entry2a()
118 struct epoll_event events[2]; in waiter_entry2ap() local
122 pfd.events = POLLIN; in waiter_entry2ap()
124 if (epoll_wait(ctx->efd[0], events, 2, 0) > 0) in waiter_entry2ap()
174 e.events = EPOLLIN; in TEST()
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/linux/tools/testing/selftests/powerpc/pmu/ebb/
H A Dmulti_counter_test.c14 * Test counting multiple events using EBBs.
18 struct event events[6]; in multi_counter() local
23 event_init_named(&events[0], 0x1001C, "PM_CMPLU_STALL_THRD"); in multi_counter()
24 event_init_named(&events[1], 0x2D016, "PM_CMPLU_STALL_FXU"); in multi_counter()
25 event_init_named(&events[2], 0x30006, "PM_CMPLU_STALL_OTHER_CMPL"); in multi_counter()
26 event_init_named(&events[3], 0x4000A, "PM_CMPLU_STALL"); in multi_counter()
27 event_init_named(&events[4], 0x600f4, "PM_RUN_CYC"); in multi_counter()
28 event_init_named(&events[5], 0x500fa, "PM_RUN_INST_CMPL"); in multi_counter()
30 event_leader_ebb_init(&events[0]); in multi_counter()
32 event_ebb_init(&events[i]); in multi_counter()
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/linux/drivers/media/pci/cx23885/
H A Dcx23885-ir.c28 u32 events = 0; in cx23885_ir_rx_work_handler() local
32 events |= V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN; in cx23885_ir_rx_work_handler()
34 events |= V4L2_SUBDEV_IR_RX_HW_FIFO_OVERRUN; in cx23885_ir_rx_work_handler()
36 events |= V4L2_SUBDEV_IR_RX_END_OF_RX_DETECTED; in cx23885_ir_rx_work_handler()
38 events |= V4L2_SUBDEV_IR_RX_FIFO_SERVICE_REQ; in cx23885_ir_rx_work_handler()
40 if (events == 0) in cx23885_ir_rx_work_handler()
44 cx23885_input_rx_work_handler(dev, events); in cx23885_ir_rx_work_handler()
51 u32 events = 0; in cx23885_ir_tx_work_handler() local
55 events |= V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ; in cx23885_ir_tx_work_handler()
57 if (events == 0) in cx23885_ir_tx_work_handler()
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/linux/lib/
H A Dflex_proportions.c14 * Where x_{i,j} is j's number of events in i-th last time period and x_i is
15 * total number of events in i-th last time period.
43 /* Use 1 to avoid dealing with periods with 0 events... */ in fprop_global_init()
44 err = percpu_counter_init(&p->events, 1, gfp); in fprop_global_init()
53 percpu_counter_destroy(&p->events); in fprop_global_destroy()
61 * if aging zeroed out all events. This can be used to detect whether declaring
66 s64 events = percpu_counter_sum(&p->events); in fprop_new_period() local
69 * Don't do anything if there are no events. in fprop_new_period()
71 if (events <= 1) in fprop_new_period()
76 events -= events >> periods; in fprop_new_period()
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/linux/tools/perf/Documentation/
H A Dperf-script.txt31 'perf script record <script> <command>' to record the events required
34 language extension. If <command> is not specified, the events are
46 record the events required for <script> and to run the <script>
50 not specified, the events are recorded using the -a (system-wide)
59 'perf script <top-script>' to both record the events required for
105 Filter sample events using the given shared object file.
128 Do various checks like samples ordering and lost events.
165 The first -F suppresses trace events (field list is ""), but then the
169 "Overriding previous field request for all events."
175 The first -F sets the fields for all events and the second -F
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/linux/Documentation/arch/powerpc/
H A Dpmu-ebb.rst6 branch directly to a specified user space address when certain events occur.
20 Throughout this document we will refer to an "EBB event" or "EBB events". This
22 attr.config. All events which can be configured on the hardware PMU are
23 possible "EBB events".
32 It is a feature of the perf_events API that events can be created on other
34 events, however unless the target process enables EBBs (via mtspr(BESCR)) no
38 actually configure any events. At a later time another process can come along
45 events can be configured. This means that EBB events can not be run
46 concurrently with regular 'perf' commands, or any other perf events.
50 its events could not run.
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