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/linux/tools/perf/
H A Dbuiltin-c2c.c140 static struct perf_c2c c2c; variable
150 c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt); in c2c_he_zalloc()
154 c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt); in c2c_he_zalloc()
158 c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats)); in c2c_he_zalloc()
257 node = mem2node__node(&c2c.mem2node, sample->phys_addr); in c2c_he__set_node()
320 struct c2c_hists *c2c_hists = &c2c.hists; in process_sample_event()
337 if (c2c.stitch_lbr) in process_sample_event()
389 int node = c2c.cpu2node[cpu]; in process_sample_event()
391 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2, machine->env); in process_sample_event()
475 if (!c2c.symbol_full) in symbol_width()
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H A DBuild23 perf-y += builtin-c2c.o
/linux/tools/perf/tests/shell/
H A Dc2c.sh25 if ! perf c2c record -o "${perfdata}" -- true > /dev/null 2>&1 ; then
40 if ! perf c2c record -o "${perfdata}" -- perf test -w datasym 1 > /dev/null 2>&1 ; then
45 if ! perf c2c report -i "${perfdata}" --stdio > /dev/null 2>&1 ; then
51 if ! perf c2c report -i "${perfdata}" -N > /dev/null 2>&1 ; then
/linux/tools/perf/Documentation/
H A Dperf-c2c.txt1 perf-c2c(1)
6 perf-c2c - Shared Data C2C/HITM Analyzer.
11 'perf c2c record' [<options>] <command>
12 'perf c2c record' [<options>] \-- [<record command options>] <command>
13 'perf c2c report' [<options>]
19 The perf c2c tool provides means for Shared Data C2C/HITM analysis. It allows
25 limitations, perf c2c is not supported on Zen3 cpus). On Arm64 it uses SPE to
36 The c2c tool provide means to record this data and report back access details
48 Select the PMU event. Use 'perf c2c record -e list'
132 perf c2c record --call-graph lbr.
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H A Dtips.txt54 To analyze cache line scalability issues use perf c2c record ... ; perf c2c report
H A Dperf.txt88 linkperf:perf-buildid-list[1], linkperf:perf-c2c[1],
H A Dperf-amd-ibs.txt166 perf mem is a memory access profiler tool and perf c2c is a shared data
223 linkperf:perf-mem[1], linkperf:perf-c2c[1]
/linux/Documentation/kernel-hacking/
H A Dfalse-sharing.rst94 once hotspots are detected, tools like 'perf-c2c' and 'pahole' can
99 perf-c2c can capture the cache lines with most false sharing hits,
103 $ perf c2c record -ag sleep 3
104 $ perf c2c report --call-graph none -k vmlinux
124 A nice introduction for perf-c2c is [3]_.
127 granularity. Users can match the offset in perf-c2c output with
206 .. [3] https://joemario.github.io/blog/2016/09/01/c2c-blog/
/linux/sound/soc/generic/
H A Daudio-graph-card2-custom-sample2.dtsi111 * <c2c>
116 &c2c /* CPU side only */
272 * <c2c>
284 c2c: port@0 { reg = <0>; c2cf_ep: endpoint { remote-endpoint = <&codec2_3_ep>; }; }; label
/linux/arch/arm/boot/dts/samsung/
H A Dexynos5250-pinctrl.dtsi796 c2c_rxd: c2c-rxd-pins {
806 c2c_txd: c2c-txd-pins {
H A Dexynos4x12.dtsi56 bus_c2c: bus-c2c {
H A Dexynos4x12-pinctrl.dtsi965 c2c_bus: c2c-bus-pins {
/linux/Documentation/core-api/real-time/
H A Dhardware.rst52 c2c tool can help identify cache-to-cache issues, where multiple CPU
/linux/arch/m68k/ifpsp060/
H A Dftest.sa37 dc.l $00000c2c,$61ffffff,$fe6642ae,$fea0487b
/linux/arch/s390/tools/
H A Dopcodes.txt680 c2c cgfi RIL_RI