qemu-e2k/scripts
Ahmed Karaman c5a5839856 scripts/performance: Add topN_perf.py script
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>
2020-06-27 20:07:09 +02:00
..
coccinelle scripts/coccinelle: add error-use-after-free.cocci 2020-04-04 14:14:09 +02:00
coverity-scan * Miscellaneous fixes and feature enablement (many) 2020-06-12 23:06:22 +01:00
kvm scripts/kvm/vmxcap: Use Python 3 interpreter and add pseudo-main() 2020-05-31 13:56:46 +02:00
modules scripts/modules/module_block: Use Python 3 interpreter & add pseudo-main 2020-05-31 13:56:46 +02:00
oss-fuzz fuzz: add oss-fuzz build-script 2020-06-15 18:26:46 +02:00
performance scripts/performance: Add topN_perf.py script 2020-06-27 20:07:09 +02:00
qapi qapi: Generate simpler marshalling code when no arguments 2020-04-30 07:26:41 +02:00
qemu-guest-agent
qemugdb scripts/qemugdb: Remove shebang header 2020-05-31 13:56:46 +02:00
qmp python: remove more instances of sys.version_info 2020-05-31 18:25:07 +02:00
simplebench
tracetool scripts/tracetool: Update maintainer email address 2020-06-24 11:21:00 +01:00
travis
analyse-9p-simpletrace.py
analyse-locks-simpletrace.py
analyze-inclusions
analyze-migration.py python: remove more instances of sys.version_info 2020-05-31 18:25:07 +02:00
archive-source.sh
checkpatch.pl checkpatch: reversed logic with acpi test checks 2020-06-12 11:20:14 -04:00
clean-header-guards.pl
clean-includes scripts/clean-includes: Mark 'qemu/qemu-plugin.h' as special header 2020-06-08 16:59:29 +01:00
cleanup-trace-events.pl
cocci-macro-file.h
coverity-model.c
create_config
decodetree.py decodetree: Drop check for less than 2 patterns in a group 2020-06-09 09:19:48 -07:00
device-crash-test
disas-objdump.pl
dump-guest-memory.py
extract-vsssdk-headers
feature_to_c.sh
fix-multiline-comments.sh
gensyscalls.sh scripts: add a script to generate syscall_nr.h 2020-03-20 16:02:00 +01:00
get_maintainer.pl
git-submodule.sh
git.orderfile
hxtool
hxtool-conv.pl
kernel-doc kernel-doc: Use c:struct for Sphinx 3.0 and later 2020-04-14 17:15:33 +01:00
make-release
minikconf.py minikconf: explicitly set encoding to UTF-8 2020-06-23 15:46:05 +01:00
qapi-gen.py
qemu-binfmt-conf.sh
qemu-gdb.py scripts/qemu-gdb: Use Python 3 interpreter 2020-05-31 13:56:46 +02:00
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 scripts/tracetool: Update maintainer email address 2020-06-24 11:21:00 +01:00
update-linux-headers.sh
update-mips-syscall-args.sh
update-syscalltbl.sh
vmstate-static-checker.py