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/openbmc/linux/tools/lib/perf/Documentation/
H A 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.
H A DMakefile8 MAN7_TXT = libperf-counting.txt libperf-sampling.txt
/openbmc/linux/Documentation/ABI/testing/
H A 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
123 level is high else counting is disabled.
141 counting direction is set by in_count0_count_direction
H A Dsysfs-bus-counter13 Selects the external clock pin for phase counting mode of
73 count = ceiling when counting up, and at count = floor
74 when counting down. At either of these limits, the
75 counting is resumed only when the count direction is
88 counting up, while the counter is set to the Count Y
89 ceiling value at count = floor when counting down; the
137 then go high again. The counting sequence is "triggered"
167 their counting. For example, quadrature encoding counters can
H A Dsysfs-class-net322 32-bit unsigned integer counting the number of times the link has
330 32-bit unsigned integer counting the number of times the link has
338 32-bit unsigned integer counting the number of times the link has
/openbmc/qemu/docs/devel/
H A Dlockcnt.rst32 ``ioh->fd_write`` invokes the loop again, some kind of counting is needed::
52 reference counting and RCU have similar purposes, but their usage in
55 - reference counting is fine-grained and limited to a single data
59 - reference counting works even in the presence of code that keeps
63 - reference counting is often applied to code that is not thread-safe
64 but is reentrant; in fact, usage of reference counting in QEMU predates
71 With reference counting, reclamation is deterministic.
74 counting in code that has to be both thread-safe and reentrant.
/openbmc/linux/tools/perf/Documentation/
H A Dperf-list.txt58 u - user-space counting
59 k - kernel counting
60 h - hypervisor counting
61 I - non idle counting
62 G - guest counting (in KVM guests)
63 H - host counting (not in KVM guests)
97 perf record -a -e cpu-cycles:p ... # use ibs op counting cycles
99 perf record -a -e r0C1:p ... # use ibs op counting micro-ops
/openbmc/linux/Documentation/admin-guide/perf/
H A Dalibaba_pmu.rst53 By counting the READ, WRITE and RMW commands sent to the DDRC through the HIF
54 interface, we could calculate the bandwidth. Example usage of counting memory
91 Example usage of counting all memory read/write bandwidth by metric::
H A Dimx-ddr.rst13 interrupt is raised. If any other counter overflows, it continues counting, and
70 counting the number of bytes (as opposed to the number of bursts) from DDR
H A Dhisi-pcie-pmu.rst116 When counting bandwidth, the data can be composed of certain parts of TLP
124 For example, "len_mode=2" means only counting the bandwidth of TLP headers
H A Darm_dsu_pmu.rst7 allows counting the various events related to the L3 cache, Snoop Control Unit
/openbmc/linux/Documentation/devicetree/bindings/arc/
H A Darchs-pct.txt3 The ARC HS can be configured with a pipeline performance monitor for counting
H A Dpct.txt3 The ARC700 can be configured with a pipeline performance monitor for counting
/openbmc/linux/Documentation/misc-devices/
H A Dapds990x.rst55 RW - enable / disable chip. Uses counting logic
109 RW - enable / disable proximity - uses counting logic
H A Dbh1770glc.rst57 Uses counting logic
110 Uses counting logic
/openbmc/qemu/tests/qemu-iotests/
H A D138.out8 ERROR: counting reference for region exceeding the end of the file by one cluster or more: offset 0…
/openbmc/linux/tools/perf/
H A Ddesign.txt152 Counters come in two flavours: counting counters and sampling
153 counters. A "counting" counter is one that is used for counting the
225 way to request that counting of events be restricted to times when the
229 to request counting of events restricted to guest and host contexts when
433 non-leader stops that counter from counting but doesn't affect any
/openbmc/linux/Documentation/arch/arm64/
H A Dperf.rst66 must enable/disable counting on the entry and exit to the guest. This is
88 able to eliminate counters counting host events on the boundaries of guest
89 entry/exit when counting guest events by filtering out EL2 for
/openbmc/openbmc/poky/meta/recipes-devtools/json-c/
H A Djson-c_0.18.bb2 DESCRIPTION = "JSON-C implements a reference counting object model that allows \
/openbmc/linux/Documentation/driver-api/tty/
H A Dtty_struct.rst26 Reference counting
/openbmc/linux/drivers/perf/
H A DKconfig25 CCI-400 provides 4 independent event counters counting events related
75 implementation on RISC-V based systems. This only allows counting
119 system, control logic. The PMU allows counting various events related
/openbmc/linux/Documentation/RCU/
H A Drcuref.rst16 Reference counting on elements of lists which are protected by traditional
157 reference counting of struct pid, while the pattern in listing B is used by
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-dbs/rocksdb/files/
H A D0006-Implement-timer-for-arm-v6.patch29 + if (pmcntenset & 0x80000000ul) { // Is it counting?
/openbmc/linux/drivers/iommu/intel/
H A Ddebugfs.c602 int counting; in dmar_perf_latency_write() local
613 if (kstrtoint(buf, 0, &counting)) in dmar_perf_latency_write()
616 switch (counting) { in dmar_perf_latency_write()
/openbmc/linux/Documentation/driver-api/
H A Dbasics.rst84 Reference counting

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