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/Linux-v5.15/drivers/net/ethernet/mellanox/mlx5/core/
Devents.c15 /* 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) */
39 /* QP/WQ resource events to forward */
49 /* SRQ events */
58 /* driver notifier chain for fw events */
60 /* port module events stats */
64 /* driver notifier chain for sw events */
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/Linux-v5.15/tools/testing/selftests/powerpc/pmu/
Dcount_stcx_fail.c29 static int do_count_loop(struct event *events, u64 instructions, in do_count_loop() argument
43 event_read(&events[0]); in do_count_loop()
44 event_read(&events[1]); in do_count_loop()
45 event_read(&events[2]); in do_count_loop()
47 expected = instructions + overhead + (events[2].result.value * 10); in do_count_loop()
48 difference = events[0].result.value - expected; in do_count_loop()
49 percentage = (double)difference / events[0].result.value * 100; in do_count_loop()
53 event_report(&events[0]); in do_count_loop()
54 event_report(&events[1]); in do_count_loop()
55 event_report(&events[2]); in do_count_loop()
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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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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-v5.15/tools/testing/selftests/powerpc/security/
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-v5.15/Documentation/ABI/testing/
Dsysfs-bus-iio15 based on hardware generated events (e.g. data ready) or
87 buffered samples and events for device X.
709 What: /sys/bus/iio/devices/iio:deviceX/events
713 Configuration of which hardware generated events are passed up
716 What: /sys/.../iio:deviceX/events/in_accel_x_thresh_rising_en
717 What: /sys/.../iio:deviceX/events/in_accel_x_thresh_falling_en
718 What: /sys/.../iio:deviceX/events/in_accel_y_thresh_rising_en
719 What: /sys/.../iio:deviceX/events/in_accel_y_thresh_falling_en
720 What: /sys/.../iio:deviceX/events/in_accel_z_thresh_rising_en
721 What: /sys/.../iio:deviceX/events/in_accel_z_thresh_falling_en
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Dsysfs-bus-event_source-devices-events1 What: /sys/devices/cpu/events/
2 /sys/devices/cpu/events/branch-misses
3 /sys/devices/cpu/events/cache-references
4 /sys/devices/cpu/events/cache-misses
5 /sys/devices/cpu/events/stalled-cycles-frontend
6 /sys/devices/cpu/events/branch-instructions
7 /sys/devices/cpu/events/stalled-cycles-backend
8 /sys/devices/cpu/events/instructions
9 /sys/devices/cpu/events/cpu-cycles
15 Description: Generic performance monitoring events
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/Linux-v5.15/drivers/gpu/drm/arm/display/komeda/
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-v5.15/tools/perf/Documentation/
Ditrace.txt1 i synthesize instructions events
2 b synthesize branches events (branch misses for Arm SPE)
3 c synthesize branches events (calls only)
4 r synthesize branches events (returns only)
5 x synthesize transactions events
6 w synthesize ptwrite events
7 p synthesize power events (incl. PSB events for Intel PT)
8 o synthesize other events recorded due to the use
10 e synthesize error events
12 f synthesize first level cache events
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Dperf-list.txt36 Print how named events are resolved internally into perf events, and also
40 Print deprecated events. By default the deprecated events are hidden.
46 Events can optionally have a modifier by appending a colon and one or
47 more modifiers. Modifiers allow the user to restrict the events to be
78 clocks not halted) and 0xC1 (micro-ops retired). Both events map to
152 Events on these PMUs generally cannot be sampled, but only counted globally
163 and adding the values together. To simplify creation of multiple events,
178 For non root users generally only context switched PMU events are available.
179 This is normally only the events in the cpu PMU, the predefined events
180 like cycles and instructions and some software events.
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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
102 Filter sample events using the given shared object file.
125 Do various checks like samples ordering and lost events.
160 The first -F suppresses trace events (field list is ""), but then the
164 "Overriding previous field request for all events."
170 The first -F sets the fields for all events and the second -F
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/Linux-v5.15/tools/perf/tests/
Dpfm.c26 .desc = "test of individual --pfm-events",
30 .desc = "test groups of --pfm-events",
53 const char *events; in test__pfm_events() member
57 .events = "", in test__pfm_events()
61 .events = "instructions", in test__pfm_events()
65 .events = "instructions,cycles", in test__pfm_events()
69 .events = "stereolab", in test__pfm_events()
73 .events = "instructions,instructions", in test__pfm_events()
77 .events = "stereolab,instructions", in test__pfm_events()
81 .events = "instructions,stereolab", in test__pfm_events()
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/Linux-v5.15/tools/perf/pmu-events/
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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DBuild5 pmu-events-y += pmu-events.o
6 JDIR = pmu-events/arch/$(SRCARCH)
9 JDIR_TEST = pmu-events/arch/test
14 # Locate/process JSON files in pmu-events/arch/
15 # directory and create tables in pmu-events.c.
17 $(OUTPUT)pmu-events/pmu-events.c: $(JSON) $(JSON_TEST) $(JEVENTS)
18 $(Q)$(call echo-cmd,gen)$(JEVENTS) $(SRCARCH) pmu-events/arch $(OUTPUT)pmu-events/pmu-events.c $(V)
/Linux-v5.15/block/
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-v5.15/tools/testing/selftests/ftrace/test.d/trigger/
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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Dtrigger-eventonoff.tc4 # requires: set_event events/sched/sched_process_fork/trigger
12 FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
19 echo 0 > events/sched/sched_switch/enable
20 echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
22 if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
29 echo 1 > events/sched/sched_switch/enable
30 echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
32 if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
39 ! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
40 ! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
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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-v5.15/lib/
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; in fprop_new_period() local
70 events = percpu_counter_sum(&p->events); in fprop_new_period()
72 * Don't do anything if there are no events. in fprop_new_period()
74 if (events <= 1) { in fprop_new_period()
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/Linux-v5.15/tools/testing/selftests/powerpc/pmu/ebb/
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-v5.15/tools/testing/selftests/ftrace/test.d/dynevent/
Dadd_remove_eprobe.tc3 # description: Generic dynamic event - add/remove eprobe events
4 # requires: dynamic_events events/syscalls/sys_enter_openat "e[:[<group>/]<event>] <attached-group>…
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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/Linux-v5.15/drivers/media/pci/cx23885/
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-v5.15/tools/testing/selftests/filesystems/epoll/
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-v5.15/Documentation/powerpc/
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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/Linux-v5.15/tools/testing/selftests/ftrace/test.d/event/
Devent-no-pid.tc3 # description: event tracing - restricts events based on pid notrace filtering
4 # requires: set_event events/sched set_event_pid set_event_notrace_pid
12 echo 0 > events/enable
37 if [ -d events/$system ]; then
38 echo 1 > events/$system/enable
44 # Enable common groups of events, as all events can allow for
45 # events to be traced via scheduling that we don't care to test.
81 fail "Filtered out task has events"
86 fail "No other events were recorded"
101 # Be sure some other events will happen for small systems (e.g. 1 core)
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