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/Linux-v5.15/kernel/trace/
Dtrace_events_synth.c1 // SPDX-License-Identifier: GPL-2.0
3 * trace_events_synth - synthetic trace events
25 C(BAD_NAME, "Illegal name"), \
26 C(INVALID_CMD, "Command must be of the form: <name> field[;field] ..."),\
27 C(INVALID_DYN_CMD, "Command must be of the form: s or -:[synthetic/]<name> field[;field] ..."),\
28 C(EVENT_EXISTS, "Event already exists"), \
57 strncpy(last_cmd, str, MAX_FILTER_STR_VAL - 1); in last_cmd_set()
70 static bool synth_event_match(const char *system, const char *event,
83 return ev->ops == &synth_event_ops; in is_synth_event()
93 struct synth_event *event = to_synth_event(ev); in synth_event_is_busy() local
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/Linux-v5.15/tools/perf/tests/
Dpmu-events.c1 // SPDX-License-Identifier: GPL-2.0
3 #include "parse-events.h"
11 #include "../pmu-events/pmu-events.h"
14 #include "util/parse-events.h"
18 /* used for matching against events from generated pmu-events.c */
19 struct pmu_event event; member
21 /* used for matching against event aliases */
42 .event = {
43 .name = "bp_l1_btb_correct",
44 .event = "event=0x8a",
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Dparse-metric.c1 // SPDX-License-Identifier: GPL-2.0
8 #include "pmu-events/pmu-events.h"
28 .metric_expr = "l1d\\-loads\\-misses / inst_retired.any",
32 .metric_expr = "l1i\\-loads\\-misses / inst_retired.any",
45 .metric_expr = "max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + "
78 .name = NULL,
90 const char *event; member
94 static u64 find_value(const char *name, struct value *values) in find_value() argument
98 while (v->event) { in find_value()
99 if (!strcmp(name, v->event)) in find_value()
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/Linux-v5.15/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/
DEventClass.py2 # SPDX-License-Identifier: GPL-2.0
8 # PerfEvent is the base class for all perf event sample, PebsEvent
9 # is a HW base Intel x86 PEBS event, and user could add more SW/HW
10 # event classes based on requirements.
15 # Event types, user could add more here
17 EVTYPE_PEBS = 1 # Basic PEBS event
18 EVTYPE_PEBS_LL = 2 # PEBS event with load latency info
22 # Currently we don't have good way to tell the event type, but by
23 # the size of raw buffer, raw PEBS event with load latency data's
24 # size is 176 bytes, while the pure PEBS event's size is 144 bytes.
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/Linux-v5.15/drivers/gpu/drm/amd/amdgpu/
Damdgpu_pmu.c16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
68 if (!amdgpu_pmu_attr->type) in amdgpu_pmu_event_show()
69 return sprintf(buf, "%s\n", amdgpu_pmu_attr->event_str); in amdgpu_pmu_event_show()
72 amdgpu_pmu_attr->event_str, amdgpu_pmu_attr->type); in amdgpu_pmu_event_show()
79 const char *name; member
99 * - PMU typed
105 * - Event config typed
115 { .name = "event", .config = "config:0-7" },
116 { .name = "instance", .config = "config:8-15" },
117 { .name = "umask", .config = "config:16-23"},
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/Linux-v5.15/include/linux/
Dtrace_events.h1 /* SPDX-License-Identifier: GPL-2.0 */
57 struct trace_event *event);
62 * The trace entry - the most basic unit of tracing. This is what
65 * bash-15816 [01] 235.197585: idle_cpu <- irq_enter
75 ((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1)
78 * Trace iterator - used by printout routines who present trace
126 int flags, struct trace_event *event);
142 extern int register_trace_event(struct trace_event *event);
143 extern int unregister_trace_event(struct trace_event *event);
159 entry->preempt_count = trace_ctx & 0xff; in tracing_generic_entry_update()
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/Linux-v5.15/Documentation/devicetree/bindings/devfreq/event/
Dsamsung,exynos-ppmu.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/devfreq/event/samsung,exynos-ppmu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chanwoo Choi <cw00.choi@samsung.com>
11 - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
19 Exynos PPMU driver uses the devfreq-event class to provide event data to
20 various devfreq devices. The devfreq devices would use the event data when
26 - samsung,exynos-ppmu
27 - samsung,exynos-ppmu-v2
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/Linux-v5.15/Documentation/trace/
Devents.rst2 Event Tracing
13 using the event tracing infrastructure.
15 Not all tracepoints can be traced using the event tracing system;
20 2. Using Event Tracing
24 ---------------------------------
29 To enable a particular event, such as 'sched_wakeup', simply echo it
36 To disable an event, echo the event name to the set_event file prefixed
50 etc., and a full event name looks like this: <subsystem>:<event>. The
51 subsystem name is optional, but it is displayed in the available_events
59 ---------------------------
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/Linux-v5.15/tools/testing/selftests/ftrace/test.d/dynevent/
Dadd_remove_eprobe.tc2 # SPDX-License-Identifier: GPL-2.0
3 # description: Generic dynamic event - add/remove eprobe events
4 …_events events/syscalls/sys_enter_openat "e[:[<group>/]<event>] <attached-group>.<attached-event> …
11 EVENT="sys_enter_openat"
15 echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
17 grep -q "$EPROBE" dynamic_events
18 test -d events/eprobes/$EPROBE
24 content=`grep '^ *ls-' trace | grep 'file='`
25 nocontent=`grep '^ *ls-' trace | grep 'file=' | grep -v -e '"/' -e '"."' -e '(fault)' ` || true
27 if [ -z "$content" ]; then
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/Linux-v5.15/tools/lib/traceevent/
Devent-parse.c1 // SPDX-License-Identifier: LGPL-2.1
8 * - Copyright (C) 2009 Frederic Weisbecker,
24 #include "event-parse.h"
26 #include "event-parse-local.h"
27 #include "event-utils.h"
28 #include "trace-seq.h"
45 #define do_warning_event(event, fmt, ...) \ argument
50 if (event) \
51 warning("[%s:%s] " fmt, event->system, \
52 event->name, ##__VA_ARGS__); \
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/Linux-v5.15/arch/powerpc/perf/
Dhv-24x7.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #define pr_fmt(fmt) "hv-24x7: " fmt
24 #include "hv-24x7.h"
25 #include "hv-24x7-catalog.h"
26 #include "hv-common.h"
42 #include "hv-24x7-domains.h" in domain_is_valid()
56 #include "hv-24x7-domains.h" in is_physical_domain()
78 * chip details through the get-system-parameter rtas call.
94 call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1, in read_24x7_sys_info()
101 pr_err("Error calling get-system-parameter %d\n", in read_24x7_sys_info()
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/Linux-v5.15/tools/perf/util/
Dbpf-event.c1 // SPDX-License-Identifier: GPL-2.0
12 #include "bpf-event.h"
22 #include "util/synthetic-events.h"
28 #pragma GCC diagnostic ignored "-Wdeprecated-declarations" in btf__load_from_kernel_by_id()
43 ret += snprintf(buf + ret, size - ret, "%02x", data[i]); in snprintf_hex()
48 union perf_event *event, in machine__process_bpf_event_load() argument
53 struct perf_env *env = machine->env; in machine__process_bpf_event_load()
54 int id = event->bpf.id; in machine__process_bpf_event_load()
57 /* perf-record, no need to handle bpf-event */ in machine__process_bpf_event_load()
64 info_linear = info_node->info_linear; in machine__process_bpf_event_load()
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Ddata-convert-bt.c1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <babeltrace/ctf-writer/writer.h>
15 #include <babeltrace/ctf-writer/clock.h>
16 #include <babeltrace/ctf-writer/stream.h>
17 #include <babeltrace/ctf-writer/event.h>
18 #include <babeltrace/ctf-writer/event-types.h>
19 #include <babeltrace/ctf-writer/event-fields.h>
20 #include <babeltrace/ctf-ir/utils.h>
22 #include <traceevent/event-parse.h>
24 #include "data-convert.h"
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Dprobe-event.h1 /* SPDX-License-Identifier: GPL-2.0 */
29 /* kprobe-tracer and uprobe-tracer tracing point */
31 char *realname; /* function real name (if needed) */
33 char *module; /* Module name */
40 /* probe-tracer tracing argument referencing offset */
44 bool user_access; /* User-memory access */
47 /* kprobe-tracer and uprobe-tracer tracing argument */
49 char *name; /* Argument name */ member
51 char *type; /* Type name */
55 /* kprobe-tracer and uprobe-tracer tracing event (point + arg) */
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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-class-devfreq-event1 What: /sys/class/devfreq-event/event(x)/
5 Provide a place in sysfs for the devfreq-event objects.
6 This allows accessing various devfreq-event specific variables.
7 The name of devfreq-event object denoted as 'event(x)' which
8 includes the unique number of 'x' for each devfreq-event object.
10 What: /sys/class/devfreq-event/event(x)/name
14 The /sys/class/devfreq-event/event(x)/name attribute contains
15 the name of the devfreq-event object. This attribute is
16 read-only.
18 What: /sys/class/devfreq-event/event(x)/enable_count
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/Linux-v5.15/drivers/char/tpm/eventlog/
Dtpm1.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
15 * Access to the event log created by a system's firmware / BIOS
37 "EVENT TAG",
38 "S-CRTM Contents",
39 "S-CRTM Version",
46 "Non-Host Code",
47 "Non-Host Config",
48 "Non-Host Info"
63 "S-CRTM Version",
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/Linux-v5.15/drivers/perf/
Darm_dmc620_pmu.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ARM DMC-620 memory controller PMU driver
40 * The PMU registers start at 0xA00 in the DMC-620 memory map, and these
50 (DMC620_PMU_CLKDIV2_MAX_COUNTERS - 1)
53 (DMC620_PMU_CLK_MAX_COUNTERS - 1)
116 return sysfs_emit(page, "event=0x%x,clkdiv2=0x%x\n", eattr->eventid, eattr->clkdiv2); in dmc620_pmu_event_show()
163 .name = "events",
188 (lo) == (hi) ? #cfg ":" #lo "\n" : #cfg ":" #lo "-" #hi
193 #define GEN_PMU_FORMAT_ATTR(name) \ argument
194 PMU_FORMAT_ATTR(name, \
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Dthunderx2_pmu.c1 // SPDX-License-Identifier: GPL-2.0
28 #define GET_EVENTID(ev, mask) ((ev->hw.config) & mask)
29 #define GET_COUNTERID(ev, mask) ((ev->hw.idx) & mask)
31 * Event id is encoded in bits [5:1] of a byte,
49 /* L3C event IDs */
60 /* DMC event IDs */
88 * L3C have 4 32-bit counters and the CCPI2 has 8 64-bit counters.
94 char *name; member
111 void (*init_cntr_base)(struct perf_event *event,
113 void (*stop_event)(struct perf_event *event);
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/Linux-v5.15/drivers/s390/net/
Dfsm.h1 /* SPDX-License-Identifier: GPL-2.0 */
53 * Element of State/Event history used for debugging.
57 int event; member
67 char name[16]; member
79 * Description of a state-event combination
100 * @param name Name of this instance for logging purposes.
110 init_fsm(char *name, const char **state_names,
127 fsm_record_history(fsm_instance *fi, int state, int event);
131 * Emits an event to a FSM.
132 * If an action function is defined for the current state/event combination,
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/Linux-v5.15/drivers/md/
Ddm-uevent.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Device Mapper Uevent Support (dm-uevent)
11 #include <linux/dm-ioctl.h>
15 #include "dm-uevent.h"
22 char *name; member
35 char name[DM_NAME_LEN]; member
39 static void dm_uevent_free(struct dm_uevent *event) in dm_uevent_free() argument
41 kmem_cache_free(_dm_event_cache, event); in dm_uevent_free()
46 struct dm_uevent *event; in dm_uevent_alloc() local
48 event = kmem_cache_zalloc(_dm_event_cache, GFP_ATOMIC); in dm_uevent_alloc()
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/Linux-v5.15/tools/perf/scripts/python/
Dnetdev-times.py2 # SPDX-License-Identifier: GPL-2.0
17 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
24 all_event_list = []; # insert all tracepoint event related with this script
27 net_rx_dic = {}; # key is cpu and value include time of NET_RX softirq-entry
48 dev = 0; # store a name of device specified by option "dev="
61 return (dst - src) / 1000000.0
80 PF_NET_RECV= " |---netif_receive_skb(+%.3fmsec skb=%x len=%d)"
81 PF_NET_RX= " |---netif_rx(+%.3fmsec skb=%x)"
96 if irq_list[i]['name'].find(dev) >= 0:
109 irq_list[i]['irq'], irq_list[i]['name']))
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/Linux-v5.15/tools/testing/selftests/powerpc/pmu/
Devent.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include "event.h"
23 void event_init_opts(struct event *e, u64 config, int type, char *name) in event_init_opts() argument
27 e->name = name; in event_init_opts()
29 e->attr.type = type; in event_init_opts()
30 e->attr.config = config; in event_init_opts()
31 e->attr.size = sizeof(e->attr); in event_init_opts()
33 e->attr.read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | \ in event_init_opts()
37 void event_init_named(struct event *e, u64 config, char *name) in event_init_named() argument
39 event_init_opts(e, config, PERF_TYPE_RAW, name); in event_init_named()
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/Linux-v5.15/drivers/gpu/drm/i915/
Di915_pmu.c2 * SPDX-License-Identifier: MIT
4 * Copyright © 2017-2018 Intel Corporation
30 static unsigned int i915_pmu_target_cpu = -1;
37 static u8 engine_event_sample(struct perf_event *event) in engine_event_sample() argument
39 return engine_config_sample(event->attr.config); in engine_event_sample()
42 static u8 engine_event_class(struct perf_event *event) in engine_event_class() argument
44 return (event->attr.config >> I915_PMU_CLASS_SHIFT) & 0xff; in engine_event_class()
47 static u8 engine_event_instance(struct perf_event *event) in engine_event_instance() argument
49 return (event->attr.config >> I915_PMU_SAMPLE_BITS) & 0xff; in engine_event_instance()
76 return -1; in other_bit()
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/Linux-v5.15/drivers/infiniband/core/
Dcma_trace.h1 /* SPDX-License-Identifier: GPL-2.0-only */
36 __entry->cm_id = id_priv->res.id;
37 __entry->tos = id_priv->tos;
38 memcpy(__entry->srcaddr, &id_priv->id.route.addr.src_addr,
40 memcpy(__entry->dstaddr, &id_priv->id.route.addr.dst_addr,
45 __entry->cm_id, __entry->srcaddr, __entry->dstaddr, __entry->tos
49 #define DEFINE_CMA_FSM_EVENT(name) \ argument
50 DEFINE_EVENT(cma_fsm_class, cm_##name, \
78 __string(devname, device->name)
82 __entry->cm_id = id_priv->res.id;
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/Linux-v5.15/Documentation/input/
Devent-codes.rst1 .. _input-event-codes:
4 Input event codes
12 A single hardware event generates multiple input events. Each input event
13 contains the new value of a single data item. A special event type, EV_SYN, is
15 the same moment in time. In the following, the term "event" refers to a single
16 input event encompassing a type, code, and value.
19 of event codes have changed. However, the state is maintained within the Linux
22 event code values using the EVIOCG* ioctls defined in linux/input.h. The event
24 class/input/event*/device/capabilities/, and the properties of a device are
25 provided in class/input/event*/device/properties.
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