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97dca6715d
Add JSON metrics for Sandy Bridge.
Committer testing:
# grep "model name" /proc/cpuinfo | head -1
model name : Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz
# perf list metricgroup
List of pre-defined events (to be used in -e):
Metric Groups:
DSB
FLOPS
Frontend
Frontend_Bandwidth
Pipeline
Ports_Utilization
Power
SMT
Summary
TopDownL1
# perf stat -M Power --metric-only -a sleep 1
Performance counter stats for 'system wide':
Turbo_Utilization C3_Core_Residency C6_Core_Residency C7_Core_Residency C2_Pkg_Residency C3_Pkg_Residency C6_Pkg_Residency C7_Pkg_Residency
0.8 0.0 98.1 0.0 0.0 0.0 23.4 0.0
1.001153658 seconds time elapsed
# perf stat -v -M Power --metric-only -a sleep 1
Using CPUID GenuineIntel-6-2A
metric expr cpu_clk_unhalted.thread / cpu_clk_unhalted.ref_tsc for Turbo_Utilization
found event cpu_clk_unhalted.thread
found event cpu_clk_unhalted.ref_tsc
metric expr (cstate_core@c3\-residency@ / msr@tsc@) * 100 for C3_Core_Residency
found event cstate_core/c3-residency/
found event msr/tsc/
metric expr (cstate_core@c6\-residency@ / msr@tsc@) * 100 for C6_Core_Residency
found event cstate_core/c6-residency/
found event msr/tsc/
metric expr (cstate_core@c7\-residency@ / msr@tsc@) * 100 for C7_Core_Residency
found event cstate_core/c7-residency/
found event msr/tsc/
metric expr (cstate_pkg@c2\-residency@ / msr@tsc@) * 100 for C2_Pkg_Residency
found event cstate_pkg/c2-residency/
found event msr/tsc/
metric expr (cstate_pkg@c3\-residency@ / msr@tsc@) * 100 for C3_Pkg_Residency
found event cstate_pkg/c3-residency/
found event msr/tsc/
metric expr (cstate_pkg@c6\-residency@ / msr@tsc@) * 100 for C6_Pkg_Residency
found event cstate_pkg/c6-residency/
found event msr/tsc/
metric expr (cstate_pkg@c7\-residency@ / msr@tsc@) * 100 for C7_Pkg_Residency
found event cstate_pkg/c7-residency/
found event msr/tsc/
adding {cpu_clk_unhalted.thread,cpu_clk_unhalted.ref_tsc}:W,{cstate_core/c3-residency/,msr/tsc/}:W,{cstate_core/c6-residency/,msr/tsc/}:W,{cstate_core/c7-residency/,msr/tsc/}:W,{cstate_pkg/c2-residency/,msr/tsc/}:W,{cstate_pkg/c3-residency/,msr/tsc/}:W,{cstate_pkg/c6-residency/,msr/tsc/}:W,{cstate_pkg/c7-residency/,msr/tsc/}:W
cpu_clk_unhalted.thread -> cpu/event=0x3c/
cpu_clk_unhalted.ref_tsc -> cpu/umask=0x3,period=2000003,event=0/
Weak group for cstate_pkg/c2-residency//2 failed
Weak group for cstate_pkg/c3-residency//2 failed
Weak group for cstate_pkg/c6-residency//2 failed
Weak group for cstate_pkg/c7-residency//2 failed
cpu_clk_unhalted.thread: 5564185 4002833569 4002833569
cpu_clk_unhalted.ref_tsc: 7325424 4002833569 4002833569
cstate_core/c3-residency/: 68293 4003027101 4003027101
msr/tsc/: 12451294472 4003027101 4003027101
cstate_core/c6-residency/: 12238830163 4003260984 4003260984
msr/tsc/: 12452017806 4003260984 4003260984
cstate_core/c7-residency/: 0 4003489648 4003489648
msr/tsc/: 12452725162 4003489648 4003489648
cstate_pkg/c2-residency/: 1830054 1000913138 1000913138
msr/tsc/: 12453441079 4003717513 4003717513
cstate_pkg/c3-residency/: 0 1000973570 1000973570
msr/tsc/: 12454177865 4003954758 4003954758
cstate_pkg/c6-residency/: 2940448859 1001032370 1001032370
msr/tsc/: 12454833890 4004166118 4004166118
cstate_pkg/c7-residency/: 0 1001049818 1001049818
msr/tsc/: 12454919470 4004194204 4004194204
Performance counter stats for 'system wide':
Turbo_Utilization C3_Core_Residency C6_Core_Residency C7_Core_Residency C2_Pkg_Residency C3_Pkg_Residency C6_Pkg_Residency C7_Pkg_Residency
0.8 0.0 98.3 0.0 0.0 0.0 23.6 0.0
1.001126519 seconds time elapsed
#
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20170905195235.GW2482@two.firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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