Testing the librsvg vector graphics library. There is one test that runs in less than 30 seconds. It looks mostly single-threaded.
Topdown profile shows retirement stalls as the highest portion.
AMD metrics show oncore of only 0.7 and low backend stalls. There is not much floating point.
elapsed 91.690
on_cpu 0.043 # 0.69 / 16 cores
utime 45.313
stime 18.342
nvcsw 76062 # 95.55%
nivcsw 3545 # 4.45%
inblock 8 # 0.09/sec
onblock 103192 # 1125.45/sec
cpu-clock 90815954701 # 90.816 seconds
task-clock 90912432328 # 90.912 seconds
page faults 4042969 # 44471.024/sec
context switches 77945 # 857.363/sec
cpu migrations 5046 # 55.504/sec
major page faults 2 # 0.022/sec
minor page faults 4042967 # 44471.002/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 147471797199 # 176.955 branches per 1000 inst
branch misses 3089473014 # 2.09% branch miss
conditional 110382888857 # 132.451 conditional branches per 1000 inst
indirect 5037841192 # 6.045 indirect branches per 1000 inst
cpu-cycles 205545500455 # 0.14 GHz
instructions 642870821370 # 3.13 IPC high
slots 619621597422 #
retiring 273417324155 # 44.1% (44.3%)
-- ucode 793369832 # 0.1%
-- fastpath 272623954323 # 44.0%
frontend 219722230918 # 35.5% (35.6%)
-- latency 168134443470 # 27.1%
-- bandwidth 51587787448 # 8.3%
backend 96600027920 # 15.6% (15.7%) low
-- cpu 23569596994 # 3.8%
-- memory 73030430926 # 11.8%
speculation 27318925102 # 4.4% ( 4.4%)
-- branch mispredict 27122343208 # 4.4%
-- pipeline restart 196581894 # 0.0%
smt-contention 2561245890 # 0.4% ( 0.0%)
cpu-cycles 205272619877 # 0.14 GHz
instructions 637323484540 # 3.10 IPC high
instructions 275283291422 # 14.327 l2 access per 1000 inst
l2 hit from l1 3380047154 # 21.79% l2 miss
l2 miss from l1 582451810 #
l2 hit from l2 pf 287054714 #
l3 hit from l2 pf 187892718 #
l3 miss from l2 pf 89099902 #
instructions 279028735556 # 29.884 float per 1000 inst
float 512 664 # 0.000 AVX-512 per 1000 inst
float 256 596 # 0.000 AVX-256 per 1000 inst
float 128 8338532082 # 29.884 AVX-128 per 1000 inst
float MMX 0 # 0.000 MMX per 1000 inst
float scalar 0 # 0.000 scalar per 1000 inst
instructions 830841454647 #
opcache 135720537947 # 163.353 opcache per 1000 inst
opcache miss 20306663678 # 15.0% opcache miss rate
l1 dTLB miss 975531218 # 1.174 L1 dTLB per 1000 inst
l2 dTLB miss 61755707 # 0.074 L2 dTLB per 1000 inst
instructions 831010059760 #
icache 44486178211 # 53.533 icache per 1000 inst
icache miss 5914794798 # 13.3% icache miss rate
l1 iTLB miss 73929852 # 0.089 L1 iTLB per 1000 inst
l2 iTLB miss 0 # 0.000 L2 iTLB per 1000 inst
tlb flush 893267 # 0.001 TLB flush per 1000 inst
Intel metrics
elapsed 102.997
on_cpu 0.044 # 0.70 / 16 cores
utime 56.876
stime 15.552
nvcsw 74213 # 92.13%
nivcsw 6340 # 7.87%
inblock 8624 # 83.73/sec
onblock 91928 # 892.53/sec
cpu-clock 94859011406 # 94.859 seconds
task-clock 95098965683 # 95.099 seconds
page faults 3987414 # 41929.100/sec
context switches 78931 # 829.988/sec
cpu migrations 7729 # 81.273/sec
major page faults 66 # 0.694/sec
minor page faults 3987348 # 41928.406/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 143294059807 # 173.502 branches per 1000 inst
branch misses 1333887632 # 0.93% branch miss
conditional 143295083391 # 173.503 conditional branches per 1000 inst
indirect 6271520462 # 7.594 indirect branches per 1000 inst
slots 1481294216192 #
retiring 763595480156 # 51.5% (51.5%)
-- ucode 44478293800 # 3.0%
-- fastpath 719117186356 # 48.5%
frontend 336402997348 # 22.7% (22.7%)
-- latency 170261793634 # 11.5%
-- bandwidth 166141203714 # 11.2%
backend 213270529849 # 14.4% (14.4%) low
-- cpu 116212942772 # 7.8%
-- memory 97057587077 # 6.6%
speculation 171291661914 # 11.6% (11.6%) high
-- branch mispredict 165903031700 # 11.2%
-- pipeline restart 5388630214 # 0.4%
smt-contention 0 # 0.0% ( 0.0%)
cpu-cycles 258683319982 # 0.15 GHz
instructions 841791808851 # 3.25 IPC high
l2 access 9594028901 # 11.888 l2 access per 1000 inst
l2 miss 3246302962 # 33.84% l2 miss
cpu-cycles 248821553158 # 13.1% memory latency
load stalls 30878249372 # 1.7% l1 bound
l1 miss 26556503992 # 5.9% l2 bound
l2 miss 11955857818 # 2.1% l3 bound
l3 miss 6672889025 # 2.7% dram bound
store_stalls 1636418541 # 0.7% store bound
Process overview shows many short-lived processes running.
31989 processes
25845 rsvg-convert 432.25 174.98
1942 gmain 52.40 14.06
1938 gdbus 52.37 14.05
68 clinfo 15.55 6.97
38 vulkaninfo 1.52 0.95
4 vulkani:disk$0 0.16 0.10
2 llvmpipe-0 0.08 0.05
2 llvmpipe-1 0.08 0.05
2 llvmpipe-10 0.08 0.05
2 llvmpipe-11 0.08 0.05
2 llvmpipe-12 0.08 0.05
2 llvmpipe-13 0.08 0.05
2 llvmpipe-14 0.08 0.05
2 llvmpipe-15 0.08 0.05
2 llvmpipe-2 0.08 0.05
2 llvmpipe-3 0.08 0.05
2 llvmpipe-4 0.08 0.05
2 llvmpipe-5 0.08 0.05
2 llvmpipe-6 0.08 0.05
2 llvmpipe-7 0.08 0.05
2 llvmpipe-8 0.08 0.05
2 llvmpipe-9 0.08 0.05
3 rsvg 0.07 0.45
6 php 0.06 0.07
6 clang 0.06 0.06
3 rocminfo 0.03 0.00
1935 [pango] FcInit 0.00 5.30
1 lspci 0.00 0.02
1 ps 0.00 0.01
82 sh 0.00 0.00
12 gcc 0.00 0.00
9 gsettings 0.00 0.00
8 stat 0.00 0.00
8 systemd-detect- 0.00 0.00
6 llvm-link 0.00 0.00
5 phoronix-test-s 0.00 0.00
4 glxinfo 0.00 0.00
4 grep 0.00 0.00
3 dconf worker 0.00 0.00
2 lscpu 0.00 0.00
2 setterm 0.00 0.00
2 uname 0.00 0.00
2 which 0.00 0.00
1 cc 0.00 0.00
1 date 0.00 0.00
1 dirname 0.00 0.00
1 dmesg 0.00 0.00
1 dmidecode 0.00 0.00
1 ifconfig 0.00 0.00
1 ip 0.00 0.00
1 lsmod 0.00 0.00
1 mktemp 0.00 0.00
1 qdbus 0.00 0.00
1 readlink 0.00 0.00
1 realpath 0.00 0.00
1 sed 0.00 0.00
1 sort 0.00 0.00
1 stty 0.00 0.00
1 systemctl 0.00 0.00
1 template.sh 0.00 0.00
1 wc 0.00 0.00
0 processes running
47 maximum processes