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Paolo Bonzini 58803ce74f test-coroutine: add baseline test that times the cost of function calls 
This can be used to compute the cost of coroutine operations.  In the
end the cost of the function call is a few clock cycles, so it's pretty
cheap for now, but it may become more relevant as the coroutine code
is optimized.

For example, here are the results on my machine:

   Function call 100000000 iterations: 0.173884 s
   Yield 100000000 iterations: 8.445064 s
   Lifecycle 1000000 iterations: 0.098445 s
   Nesting 10000 iterations of 1000 depth each: 7.406431 s

One yield takes 83 nanoseconds, one enter takes 97 nanoseconds,
one coroutine allocation takes (roughly, since some of the allocations
in the nesting test do hit the pool) 739 nanoseconds:

   (8.445064 - 0.173884) * 10^9 / 100000000 = 82.7
   (0.098445 * 100 - 0.173884) * 10^9 / 100000000 = 96.7
   (7.406431 * 10 - 0.173884) * 10^9 / 100000000 = 738.9

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
 		2014-08-15 15:07:14 +02:00
..
acpi-test-data acpi-dsdt: procedurally generate _PRT 2014-07-28 23:02:39 +02:00
libqos libqos: Fix PC PCI endianness glitches 2014-07-15 14:18:15 +01:00
multiboot tests: Multiboot mmap test case 2013-10-28 17:34:42 +01:00
qapi-schema qapi script: clean up in scripts 2014-06-27 09:27:56 -04:00
qemu-iotests qemu-iotests: add support for Archipelago protocol 2014-08-15 15:07:14 +02:00
tcg Xtensa fixes queue 2014-05-26: 2014-05-28 14:47:35 +01:00
vmstate-static-checker-data tests: vmstate static checker: add size mismatch inside substructure 2014-06-23 19:14:52 +02:00
.gitignore tests/.gitignore: Ignore test-rfifolock 2014-04-27 13:04:18 +04:00
Makefile Andreas's fixes to --enable-modules, two 2.1 regression fixes, and a 2014-07-18 14:46:53 +01:00
ac97-test.c tests: Add ac97 qtest 2014-05-05 20:58:33 +02:00
bios-tables-test.c bios-tables-test: fix ASL normalization false positive 2014-07-29 12:26:12 +02:00
blockdev-test.c blockdev-test: add test case for drive_add duplicate IDs 2013-11-07 13:58:58 +01:00
boot-order-test.c qtest: Use -display none by default 2013-11-19 10:28:14 +01:00
check-block.sh Add 'make check-block' 2012-03-12 15:14:07 +01:00
check-qdict.c check-qdict: Add test for qdict_join() 2014-05-19 11:36:48 +02:00
check-qfloat.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
check-qint.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
check-qjson.c json-lexer: fix escaped backslash in single-quoted string 2014-06-23 11:01:24 -04:00
check-qlist.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
check-qom-interface.c tests: Test QOM interface casting 2013-12-24 17:27:17 +01:00
check-qstring.c qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
display-vga-test.c add secondary-vga to display-vga test 2014-04-28 11:03:39 +02:00
e1000-test.c e1000: remove broken support for 82573L 2014-06-09 15:38:58 +02:00
eepro100-test.c tests: Add eepro100 qtest 2014-02-14 16:22:33 +01:00
endianness-test.c qtest: Include system headers before user headers 2014-02-17 23:10:02 +01:00
es1370-test.c tests: Add es1370 qtest 2014-05-05 20:58:33 +02:00
fdc-test.c tests: Add missing 'static' attributes (fix warnings from smatch) 2014-07-18 17:45:37 +04:00
fw_cfg-test.c qtest: Include system headers before user headers 2014-02-17 23:10:02 +01:00
hd-geo-test.c qtest: Use -display none by default 2013-11-19 10:28:14 +01:00
i440fx-test.c QOM infrastructure fixes and device conversions 2014-02-20 13:05:48 +00:00
i82801b11-test.c tests: Add i82801b11 qtest 2014-03-31 22:36:17 +02:00
ide-test.c qtest: Fix the bug about disable vnc causes "make check" fail 2014-01-22 12:07:16 +01:00
intel-hda-test.c tests: Add intel-hda qtests 2014-05-05 20:58:33 +02:00
ioh3420-test.c tests: Add ioh3420 qtest 2014-05-05 20:58:33 +02:00
ipoctal232-test.c tests: Add ipoctal232 qtest 2014-02-14 21:07:13 +01:00
libqtest.c libqtest: escape strings in QMP commands, fix leak 2014-07-01 10:20:41 +02:00
libqtest.h qtest: Factor out qtest_qmp_receive() 2014-03-31 22:36:16 +02:00
m48t59-test.c qtest: Include system headers before user headers 2014-02-17 23:10:02 +01:00
ne2000-test.c tests: Add ne2000 qtest 2014-02-14 20:50:19 +01:00
nvme-test.c tests: Add nvme qtest 2014-03-31 22:35:03 +02:00
pcnet-test.c tests: Add pcnet qtest 2014-02-14 16:22:33 +01:00
pvpanic-test.c pvpanic-test: Assert pause event 2014-03-31 22:36:17 +02:00
qdev-monitor-test.c qdev-monitor-test: Don't test human-readable error message 2014-03-12 20:13:02 +01:00
qemu-iotests-quick.sh iotests: Simplify qemu-iotests-quick.sh 2014-07-01 10:15:33 +02:00
qom-test.c libqtest: escape strings in QMP commands, fix leak 2014-07-01 10:20:41 +02:00
rtc-test.c qtest: Include system headers before user headers 2014-02-17 23:10:02 +01:00
rtl8139-test.c tests: Add rtl8139 qtest 2014-02-14 16:22:33 +01:00
spapr-phb-test.c tests: Add spapr-pci-host-bridge qtest 2014-03-13 01:21:57 +01:00
test-aio.c tests: Add missing 'static' attributes (fix warnings from smatch) 2014-07-18 17:45:37 +04:00
test-bitops.c tests: fix 64-bit int literals for 32-bit hosts 2013-11-05 19:59:43 -08:00
test-coroutine.c test-coroutine: add baseline test that times the cost of function calls 2014-08-15 15:07:14 +02:00
test-cutils.c cutils: unsigned int parsing functions 2013-02-04 14:38:33 -06:00
test-hbitmap.c hbitmap: add assertion on hbitmap_iter_init 2013-01-25 18:18:35 +01:00
test-int128.c tests/test-int128: Don't use __noclone__ attribute on clang 2014-03-02 17:20:37 +04:00
test-iov.c test-iov: add iov_discard_front/back() testcases 2013-01-02 15:58:09 +01:00
test-mul64.c tests: Add unit tests for mulu64 and muls64 2013-02-17 14:28:58 +00:00
test-opts-visitor.c tests: fix 64-bit int literals for 32-bit hosts 2013-11-05 19:59:43 -08:00
test-qdev-global-props.c qdev: Add test of qdev_prop_check_global 2014-06-05 19:20:38 +03:00
test-qemu-opts.c tests: Add missing 'static' attributes (fix warnings from smatch) 2014-07-18 17:45:37 +04:00
test-qmp-commands.c tests: test-qmp-commands: Fix double free 2014-03-11 09:07:42 -04:00
test-qmp-event.c tests/test-qmp-event: fix for GLib < 2.31 2014-06-30 15:06:11 +02:00
test-qmp-input-strict.c qapi: Replace uncommon use of the error API by the common one 2014-05-15 14:00:46 -04:00
test-qmp-input-visitor.c qapi: Replace uncommon use of the error API by the common one 2014-05-15 14:00:46 -04:00
test-qmp-output-visitor.c tests: Check empty QMP output visitor 2014-05-28 17:36:09 +02:00
test-rfifolock.c rfifolock: add recursive FIFO lock 2014-03-13 14:42:21 +01:00
test-string-input-visitor.c tests: simplify code 2014-06-19 18:44:22 +03:00
test-string-output-visitor.c tests: Fix unterminated string output visitor enum human string 2014-07-14 12:03:20 +02:00
test-thread-pool.c block: drop aio functions that operate on the main AioContext 2014-07-09 15:50:11 +02:00
test-throttle.c tests: Add missing 'static' attributes (fix warnings from smatch) 2014-07-18 17:45:37 +04:00
test-visitor-serialization.c tests: Add missing 'static' attributes (fix warnings from smatch) 2014-07-18 17:45:37 +04:00
test-vmstate.c tests: Add missing 'static' attributes (fix warnings from smatch) 2014-07-18 17:45:37 +04:00
test-x86-cpuid.c target-i386: Topology & APIC ID utility functions 2013-01-27 14:34:27 +01:00
test-xbzrle.c Add XBZRLE testing 2013-02-01 08:32:20 +01:00
tmp105-test.c libqtest: escape strings in QMP commands, fix leak 2014-07-01 10:20:41 +02:00
tpci200-test.c tests: Add tpci200 qtest 2014-02-14 21:02:27 +01:00
usb-hcd-ehci-test.c usb: improve ehci/uhci test 2014-06-02 16:28:59 +02:00
vhost-user-test.c qtest: Adapt vhost-user-test to latest vhost-user changes 2014-07-18 02:14:15 +03:00
virtio-9p-test.c tests: Add virtio-9p qtest 2014-03-31 22:35:50 +02:00
virtio-balloon-test.c tests: Add virtio-balloon qtest 2014-03-13 01:21:56 +01:00
virtio-blk-test.c tests: Add virtio-blk qtest 2014-03-13 01:21:56 +01:00
virtio-console-test.c virtio-console-test: Test virtserialport as well 2014-03-13 21:12:07 +01:00
virtio-net-test.c tests: Add virtio-net qtest 2014-02-14 21:01:03 +01:00
virtio-rng-test.c tests: Add virtio-rng qtest 2014-03-13 01:21:56 +01:00
virtio-scsi-test.c tests: Add virtio-scsi qtest 2014-03-13 01:21:56 +01:00
virtio-serial-test.c tests: Add virtio-serial qtest 2014-03-13 01:21:57 +01:00
vmxnet3-test.c tests: Add vmxnet3 qtest 2014-02-14 16:22:33 +01:00
wdt_ib700-test.c qtest: new test for wdt_ib700 2014-07-18 14:57:35 +02:00