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Ilya Leoshkevich 5584e2dbe8 tcg: add perfmap and jitdump 
Add ability to dump /tmp/perf-<pid>.map and jit-<pid>.dump.
The first one allows the perf tool to map samples to each individual
translation block. The second one adds the ability to resolve symbol
names, line numbers and inspect JITed code.

Example of use:

    perf record qemu-x86_64 -perfmap ./a.out
    perf report

or

    perf record -k 1 qemu-x86_64 -jitdump ./a.out
    DEBUGINFOD_URLS= perf inject -j -i perf.data -o perf.data.jitted
    perf report -i perf.data.jitted

Co-developed-by: Vanderson M. do Rosario <vandersonmr2@gmail.com>
Co-developed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230112152013.125680-4-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
..
acpi-bits.rst docs/acpi/bits: document BITS_DEBUG environment variable 2022-12-21 07:32:24 -05:00
atomics.rst tcg: convert tcg/README to rst 2023-01-04 16:20:01 -08:00
bitops.rst docs: Create bitops.rst as example of kernel-docs 2019-12-17 19:36:57 +01:00
blkdebug.txt docs/: fix some comment spelling errors 2020-09-17 20:37:13 +02:00
blkverify.txt meson: link emulators without Makefile.target 2020-08-21 06:30:40 -04:00
block-coroutine-wrapper.rst block-coroutine-wrapper.py: introduce co_wrapper 2022-12-15 16:07:43 +01:00
build-system.rst configure: improve error for ucontext coroutine backend 2022-09-01 07:42:37 +02:00
ci-definitions.rst.inc tests/acceptance: rename tests acceptance to tests avocado 2021-11-08 17:00:22 +01:00
ci-jobs.rst.inc docs/devel: clean-up the CI links in the docs 2022-06-01 18:55:04 +01:00
ci-runners.rst.inc docs: name included files ".rst.inc" 2021-10-01 19:04:45 +02:00
ci.rst docs/devel: clean-up the CI links in the docs 2022-06-01 18:55:04 +01:00
clocks.rst clock: Provide builtin multiplier/divider 2021-09-01 11:08:19 +01:00
code-of-conduct.rst docs/devel: add a maintainers section to development process 2022-11-22 09:49:07 +00:00
conflict-resolution.rst docs: Add a QEMU Code of Conduct and Conflict Resolution Policy document 2021-04-01 13:21:02 +02:00
control-flow-integrity.rst Fix typo in CFI build documentation 2021-05-02 17:24:50 +02:00
decodetree.rst decodetree: Extend argument set syntax to allow types 2021-05-01 11:45:35 -07:00
ebpf_rss.rst docs/devel/ebpf_rss.rst: Format literals correctly 2021-08-02 11:42:38 +01:00
fuzzing.rst ui/cocoa: Run qemu_init in the main thread 2022-09-23 14:36:33 +02:00
index-api.rst docs/devel: drop :hidden: and :includehidden: tags 2022-04-20 16:04:20 +01:00
index-build.rst acpi/tests/avocado/bits/doc: add a doc file to describe the acpi bits test 2022-11-02 06:56:32 -04:00
index-internals.rst docs/devel: start documenting writing VirtIO devices 2022-05-16 04:38:40 -04:00
index-process.rst docs/devel: add a maintainers section to development process 2022-11-22 09:49:07 +00:00
index-tcg.rst tcg: convert tcg/README to rst 2023-01-04 16:20:01 -08:00
index.rst docs/devel: drop :hidden: and :includehidden: tags 2022-04-20 16:04:20 +01:00
kconfig.rst * More Meson conversions (0.59.x now required rather than suggested) 2022-02-21 17:24:05 +00:00
loads-stores.rst Replace TARGET_WORDS_BIGENDIAN 2022-04-06 10:50:37 +02:00
lockcnt.txt docs: fix references to docs/devel/atomics.rst 2021-06-02 06:51:09 +02:00
maintainers.rst docs/devel: add a maintainers section to development process 2022-11-22 09:49:07 +00:00
memory.rst docs/devel: add some clarifying text for aliases 2022-01-18 12:56:29 +01:00
migration.rst migration: Remove load_state_old and minimum_version_id_old 2022-03-02 18:20:45 +00:00
modules.rst docs: Spell QEMU all caps 2021-11-19 10:16:58 +01:00
multi-process.rst docs: Render binary names as monospaced text 2021-11-22 15:02:38 +01:00
multi-thread-tcg.rst docs: Spell QEMU all caps 2021-11-19 10:16:58 +01:00
multiple-iothreads.txt block: remove bdrv_try_set_aio_context and replace it with bdrv_try_change_aio_context 2022-10-27 20:14:11 +02:00
qapi-code-gen.rst qapi: Start to elide redundant has_FOO in generated C 2022-12-13 18:31:37 +01:00
qgraph.rst Fix some typos in documentation (found by codespell) 2021-11-22 15:02:38 +01:00
qom.rst misc: fix commonly doubled up words 2022-08-01 11:58:02 +02:00
qtest.rst tests: move libqtest.h back under qtest/ 2022-05-03 15:16:51 +04:00
rcu.txt Docs/RCU: Correct sample code of qatomic_rcu_set 2021-01-12 12:38:03 +01:00
replay.rst docs: move replay docs to docs/system/replay.rst 2022-06-06 09:26:54 +02:00
reset.rst hw/core/resettable: fix reset level counting 2022-10-27 10:27:23 +01:00
s390-dasd-ipl.rst docs: rstfy s390 dasd ipl documentation 2020-02-26 18:57:07 +01:00
secure-coding-practices.rst docs/secure-coding-practices: Describe how to use 'null-co' block driver 2021-06-02 14:29:14 +02:00
stable-process.rst docs: Fix botched rST conversion of 'submitting-a-patch.rst' 2021-11-22 15:02:38 +01:00
style.rst docs/devel: Rules on #include in headers 2023-01-08 01:54:22 -05:00
submitting-a-patch.rst docs/devel: try and improve the language around patch review 2022-11-22 09:52:23 +00:00
submitting-a-pull-request.rst docs/devel: add a maintainers section to development process 2022-11-22 09:49:07 +00:00
tcg-icount.rst tcg: Drop gen_io_end() 2021-09-08 11:09:45 +01:00
tcg-ops.rst tcg: convert tcg/README to rst 2023-01-04 16:20:01 -08:00
tcg-plugins.rst docs/devel: document the test plugins 2022-10-06 11:53:40 +01:00
tcg.rst tcg: add perfmap and jitdump 2023-01-16 10:14:12 -10:00
testing.rst Fix some typos in documentation and comments 2022-11-05 20:35:45 +01:00
tracing.rst docs: trace-events-all is installed without renaming 2022-04-21 17:03:51 +04:00
trivial-patches.rst docs: Fix botched rST conversion of 'submitting-a-patch.rst' 2021-11-22 15:02:38 +01:00
ui.rst docs: Spell QEMU all caps 2021-11-19 10:16:58 +01:00
vfio-migration.rst docs/devel: Add VFIO device migration documentation 2021-06-18 08:38:04 -06:00
virtio-backends.rst docs/devel: start documenting writing VirtIO devices 2022-05-16 04:38:40 -04:00
virtio-migration.txt docs: create config/, devel/ and spin/ subdirectories 2017-06-07 18:22:03 +02:00
writing-monitor-commands.rst qapi: Start to elide redundant has_FOO in generated C 2022-12-13 18:31:37 +01:00