mirror of
https://github.com/Motorhead1991/qemu.git
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c5a5839856
Syntax:
topN_perf.py [-h] [-n] <number of displayed top functions> -- \
<qemu executable> [<qemu executable options>] \
<target executable> [<target execurable options>]
[-h] - Print the script arguments help message.
[-n] - Specify the number of top functions to print.
- If this flag is not specified, the tool defaults to 25.
Example of usage:
topN_perf.py -n 20 -- qemu-arm coulomb_double-arm
Example Output:
No. Percentage Name Invoked by
---- ---------- ------------------------- -------------------------
1 16.25% float64_mul qemu-x86_64
2 12.01% float64_sub qemu-x86_64
3 11.99% float64_add qemu-x86_64
4 5.69% helper_mulsd qemu-x86_64
5 4.68% helper_addsd qemu-x86_64
6 4.43% helper_lookup_tb_ptr qemu-x86_64
7 4.28% helper_subsd qemu-x86_64
8 2.71% f64_compare qemu-x86_64
9 2.71% helper_ucomisd qemu-x86_64
10 1.04% helper_pand_xmm qemu-x86_64
11 0.71% float64_div qemu-x86_64
12 0.63% helper_pxor_xmm qemu-x86_64
13 0.50% 0x00007f7b7004ef95 [JIT] tid 491
14 0.50% 0x00007f7b70044e83 [JIT] tid 491
15 0.36% helper_por_xmm qemu-x86_64
16 0.32% helper_cc_compute_all qemu-x86_64
17 0.30% 0x00007f7b700433f0 [JIT] tid 491
18 0.30% float64_compare_quiet qemu-x86_64
19 0.27% soft_f64_addsub qemu-x86_64
20 0.26% round_to_int qemu-x86_64
Signed-off-by: Ahmed Karaman <ahmedkhaledkaraman@gmail.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200626164546.22102-2-ahmedkhaledkaraman@gmail.com>
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| .. | ||
| coccinelle | ||
| coverity-scan | ||
| kvm | ||
| modules | ||
| oss-fuzz | ||
| performance | ||
| qapi | ||
| qemu-guest-agent | ||
| qemugdb | ||
| qmp | ||
| simplebench | ||
| tracetool | ||
| travis | ||
| analyse-9p-simpletrace.py | ||
| analyse-locks-simpletrace.py | ||
| analyze-inclusions | ||
| analyze-migration.py | ||
| archive-source.sh | ||
| checkpatch.pl | ||
| clean-header-guards.pl | ||
| clean-includes | ||
| cleanup-trace-events.pl | ||
| cocci-macro-file.h | ||
| coverity-model.c | ||
| create_config | ||
| decodetree.py | ||
| device-crash-test | ||
| disas-objdump.pl | ||
| dump-guest-memory.py | ||
| extract-vsssdk-headers | ||
| feature_to_c.sh | ||
| fix-multiline-comments.sh | ||
| gensyscalls.sh | ||
| get_maintainer.pl | ||
| git-submodule.sh | ||
| git.orderfile | ||
| hxtool | ||
| hxtool-conv.pl | ||
| kernel-doc | ||
| make-release | ||
| minikconf.py | ||
| qapi-gen.py | ||
| qemu-binfmt-conf.sh | ||
| qemu-gdb.py | ||
| qemu-trace-stap | ||
| refresh-pxe-roms.sh | ||
| render_block_graph.py | ||
| replay-dump.py | ||
| shaderinclude.pl | ||
| show-fixed-bugs.sh | ||
| signrom.py | ||
| simpletrace.py | ||
| switch-timer-api | ||
| tap-driver.pl | ||
| tap-merge.pl | ||
| texi2pod.pl | ||
| tracetool.py | ||
| update-linux-headers.sh | ||
| update-mips-syscall-args.sh | ||
| update-syscalltbl.sh | ||
| vmstate-static-checker.py | ||