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/Linux-v6.1/tools/lib/perf/Documentation/
Dlibperf-counting.txt1 libperf-counting(7)
6 libperf-counting - counting interface
10 The counting interface provides API to measure and get count for specific perf events.
12 The following test tries to explain count on `counting.c` example.
14 It is by no means complete guide to counting, but shows libperf basic API for counting.
16 The `counting.c` comes with libperf package and can be compiled and run like:
20 $ gcc -o counting counting.c -lperf
21 $ sudo ./counting
29 The `counting.c` example monitors two events on the current process and displays
158 From this moment events are counting and we can do our workload.
/Linux-v6.1/tools/perf/pmu-events/arch/x86/broadwell/
Dfrontend.json47 … number of instruction cache, streaming buffer and victim cache misses. Counting includes UC acces…
58 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
69 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
80 …s were delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
91 …ps were delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
102 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
112 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
132 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
143 …e being delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
153 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
[all …]
/Linux-v6.1/tools/perf/pmu-events/arch/x86/broadwellde/
Dfrontend.json47 … number of instruction cache, streaming buffer and victim cache misses. Counting includes UC acces…
58 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
69 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
80 …s were delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
91 …ps were delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
102 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
112 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
132 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
143 …e being delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
153 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
[all …]
/Linux-v6.1/tools/perf/pmu-events/arch/x86/broadwellx/
Dfrontend.json47 … number of instruction cache, streaming buffer and victim cache misses. Counting includes UC acces…
58 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
69 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
80 …s were delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
91 …ps were delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
102 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
112 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
132 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
143 …e being delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
153 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
[all …]
/Linux-v6.1/Documentation/ABI/testing/
Dsysfs-bus-iio-timer-stm3299 When counting up the counter starts from 0 and fires an
101 When counting down the counter start from preset value
115 counting direction is set by in_count0_count_direction
122 Counting is enabled when connected trigger signal
123 level is high else counting is disabled.
126 Counting is enabled on rising edge of the connected
141 counting direction is set by in_count0_count_direction
Dsysfs-bus-counter36 Counting is continuous in either direction.
43 count = ceiling when counting up, and at count = floor
44 when counting down. At either of these limits, the
45 counting is resumed only when the count direction is
58 counting up, while the counter is set to the Count Y
59 ceiling value at count = floor when counting down; the
83 their counting. For example, quadrature encoding counters can
/Linux-v6.1/include/asm-generic/bitops/
Dinstrumented-non-atomic.h19 * @addr: the address to start counting from
35 * @addr: the address to start counting from
51 * @addr: the address to start counting from
136 * @addr: Address to start counting from
148 * @addr: Address to start counting from
Dgeneric-non-atomic.h21 * @addr: the address to start counting from
48 * @addr: the address to start counting from
118 * @addr: Address to start counting from
134 * @addr: Address to start counting from
158 * @addr: Address to start counting from
Dlock.h36 * @addr: the address to start counting from
50 * @addr: the address to start counting from
73 * @addr: the address to start counting from
Dinstrumented-lock.h19 * @addr: the address to start counting from
33 * @addr: Address to start counting from
66 * @addr: the address to start counting from
Dinstrumented-atomic.h19 * @addr: the address to start counting from
35 * @addr: Address to start counting from
48 * @addr: Address to start counting from
/Linux-v6.1/tools/perf/Documentation/
Dperf-list.txt54 u - user-space counting
55 k - kernel counting
56 h - hypervisor counting
57 I - non idle counting
58 G - guest counting (in KVM guests)
59 H - host counting (not in KVM guests)
92 perf record -a -e cpu-cycles:p ... # use ibs op counting cycles
94 perf record -a -e r0C1:p ... # use ibs op counting micro-ops
/Linux-v6.1/arch/riscv/include/asm/
Dbitops.h104 * @addr: the address to start counting from
121 * @addr: Address to start counting from
135 * @addr: Address to start counting from
163 * @addr: the address to start counting from
176 * @addr: the address to start counting from
/Linux-v6.1/arch/ia64/include/asm/
Dbitops.h25 * @addr: the address to start counting from
58 * @addr: the address to start counting from
73 * @addr: Address to start counting from
99 * @addr: Address to start counting from
123 * @addr: Address to start counting from
140 * @addr: the address to start counting from
155 * @addr: Address to start counting from
180 * @addr: the address to start counting from
/Linux-v6.1/tools/perf/pmu-events/arch/x86/silvermont/
Dvirtual-memory.json36 …age walk implies a TLB miss, the number of TLB misses can be counted by counting the number of pag…
55 …age walk implies a TLB miss, the number of TLB misses can be counted by counting the number of pag…
65 …age walk implies a TLB miss, the number of TLB misses can be counted by counting the number of pag…
/Linux-v6.1/drivers/comedi/drivers/
Dcomedi_8254.c48 * In addition I8254_BCD and I8254_BINARY specify the counting mode:
49 * I8254_BCD BCD counting
50 * I8254_BINARY Binary counting
56 * for binary counting and 10^4 for BCD counting.
60 * for binary counting or 9999 for BCD counting, and continues counting.
62 * count and continues counting from there.
/Linux-v6.1/arch/s390/kernel/
Dperf_pai_ext.c106 * counting and sampling events.
108 * sampling and counting on that cpu is zero.
113 /* Free all memory allocated for event counting/sampling setup */
140 /* Used to avoid races in checking concurrent access of counting and
144 * allowed and when this event is running, no counting event is allowed.
145 * Several counting events are allowed in parallel, but no sampling event
146 * is allowed while one (or more) counting events are running.
178 * Only the first counting event has to allocate the area. in paiext_alloc()
351 /* Only counting needs initial counter value */ in paiext_add()
377 /* Only counting needs to read counter */ in paiext_del()
Dperf_pai_crypto.c123 /* Used to avoid races in checking concurrent access of counting and
127 * allowed and when this event is running, no counting event is allowed.
128 * Several counting events are allowed in parallel, but no sampling event
129 * is allowed while one (or more) counting events are running.
146 rc = -EBUSY; /* ... sampling/counting active */ in paicrypt_busy()
147 } else { /* Counting requested */ in paicrypt_busy()
156 * Only the first counting event has to allocate a page. in paicrypt_busy()
272 /* Only counting needs initial counter value */ in paicrypt_add()
294 /* Only counting needs to read counter */ in paicrypt_del()
/Linux-v6.1/arch/arm64/kvm/
Dpmu.c141 * Modify ARMv8 PMU events to include EL0 counting
156 * Modify ARMv8 PMU events to exclude EL0 counting
171 * On VHE ensure that only guest events have EL0 counting enabled.
195 * On VHE ensure that only host events have EL0 counting enabled
/Linux-v6.1/arch/x86/include/asm/
Dsync_bitops.h24 * @addr: the address to start counting from
43 * @addr: Address to start counting from
61 * @addr: Address to start counting from
/Linux-v6.1/tools/include/asm-generic/bitops/
Dnon-atomic.h10 * @addr: the address to start counting from
37 * @addr: the address to start counting from
107 * @addr: Address to start counting from
/Linux-v6.1/tools/perf/pmu-events/arch/x86/skylakex/
Dfrontend.json354 …ruction Decode Queue (IDQ) from the MITE (legacy decode pipeline) path. Counting includes uops tha…
365 …ruction Decode Queue (IDQ) from the MITE (legacy decode pipeline) path. Counting includes uops tha…
376 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
386 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
397 …e being delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
407 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
418 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
429 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
439 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
471 …uops to Resource Allocation Table (RAT) (where x belongs to {0,1,2,3}). Counting does not cover ca…
/Linux-v6.1/tools/perf/pmu-events/arch/x86/cascadelakex/
Dfrontend.json354 …ruction Decode Queue (IDQ) from the MITE (legacy decode pipeline) path. Counting includes uops tha…
365 …ruction Decode Queue (IDQ) from the MITE (legacy decode pipeline) path. Counting includes uops tha…
376 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
386 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
397 …e being delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
407 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
418 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
429 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
439 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
471 …uops to Resource Allocation Table (RAT) (where x belongs to {0,1,2,3}). Counting does not cover ca…
/Linux-v6.1/tools/perf/pmu-events/arch/x86/skylake/
Dfrontend.json354 …ruction Decode Queue (IDQ) from the MITE (legacy decode pipeline) path. Counting includes uops tha…
365 …ruction Decode Queue (IDQ) from the MITE (legacy decode pipeline) path. Counting includes uops tha…
376 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
386 …nstruction Decode Queue (IDQ) from the Decode Stream Buffer (DSB) path. Counting includes uops tha…
397 …e being delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
407 …of uops delivered to Instruction Decode Queue (IDQ) from the MITE path. Counting includes uops tha…
418 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
429 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
439 …truction Decode Queue (IDQ) while the Microcode Sequencer (MS) is busy. Counting includes uops tha…
471 …uops to Resource Allocation Table (RAT) (where x belongs to {0,1,2,3}). Counting does not cover ca…
/Linux-v6.1/tools/include/nolibc/
Dstdlib.h178 * (not counting the trailing zero) is returned. The function is constructed
218 * number of characters emitted (not counting the trailing zero) is returned.
249 * number of characters emitted (not counting the trailing zero) is returned.
309 * the first byte, and the number of characters emitted (not counting the
353 * the first byte, and the number of characters emitted (not counting the
384 * the first byte, and the number of characters emitted (not counting the

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