| /openbmc/linux/Documentation/dev-tools/ |
| H A D | gcov.rst | 1 Using gcov with the Linux kernel
4 gcov profiling kernel support enables the use of GCC's coverage testing
6 is exported in gcov-compatible format via the "gcov" debugfs directory.
8 directory and use gcov with the ``-o`` option as follows (requires root)::
10 # cd /tmp/linux-out
11 # gcov -o /sys/kernel/debug/gcov/tmp/linux-out/kernel spinlock.c
14 in the current directory. In addition, graphical gcov front-ends such
25 .. _gcov: https://gcc.gnu.org/onlinedocs/gcc/Gcov.html
30 -----------
48 mount -t debugfs none /sys/kernel/debug
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| /openbmc/linux/arch/um/ |
| H A D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0
4 bool "Enable gprof support"
7 This allows profiling of a User-Mode Linux kernel with the gprof
10 See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
16 config GCOV config
17 bool "Enable gcov support"
25 See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
28 If you're involved in UML kernel development and want to use gcov,
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| /openbmc/openbmc/poky/meta/recipes-devtools/gcc/ |
| H A D | gcc-target.inc | 1 GCCMULTILIB = "--enable-multilib"
2 require gcc-configure-common.inc
5 --with-gxx-libcxx-include-dir=${target_includedir}/c++/v1 \
6 --with-build-sysroot=${STAGING_DIR_TARGET} \
9 EXTRA_OECONF:append:linuxstdbase = " --enable-clocale=gnu"
12 # be compatible with that of gcc-runtime (which is cross compiled to be target
14 # affect the ABI in the gcc-runtime libs. Since we can't rely on gcc on the
15 # target to always be passed -march etc, its built-in default needs to be safe.
19 EXTRA_OECONF:append:armv6:class-target = " --with-arch=armv6${ARMFPARCHEXT}"
20 EXTRA_OECONF:append:armv7a:class-target = " --with-arch=armv7-a${ARMFPARCHEXT}"
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| /openbmc/linux/kernel/gcov/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
2 menu "GCOV-based kernel profiling"
5 bool "Enable gcov-based kernel profiling"
11 This option enables gcov-based code profiling (e.g. for code coverage
17 for the entire kernel. To enable profiling for specific files or
|
| H A D | base.c | 1 // SPDX-License-Identifier: GPL-2.0
8 * Uses gcc-internal data definitions.
9 * Based on the gcov-kernel patch by:
17 #define pr_fmt(fmt) "gcov: " fmt
23 #include "gcov.h"
29 * gcov_enable_events - enable event reporting through gcov_event()
31 * Turn on reporting of profiling data load/unload-events through the
53 * store_gcov_u32 - store 32 bit number in gcov format to buffer
76 * store_gcov_u64 - store 64 bit number in gcov format to buffer
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| /openbmc/linux/Documentation/dev-tools/kunit/ |
| H A D | running_tips.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 --------------------------
15 .. code-block:: bash
18 ( cd "$(git rev-parse --show-toplevel)" && ./tools/testing/kunit/kunit.py run "$@" )
26 -------------------------
33 .. code-block:: bash
35 $ echo -e 'CONFIG_KUNIT=y\nCONFIG_KUNIT_ALL_TESTS=y' > .kunit/.kunitconfig
40 .. code-block:: bash
42 $ echo -e 'CONFIG_KUNIT=y\nCONFIG_KUNIT_ALL_TESTS=y' > .kunit/.kunitconfig
53 -----------------------
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| /openbmc/qemu/.gitlab-ci.d/ |
| H A D | buildtest.yml | 2 - local: '/.gitlab-ci.d/buildtest-template.yml'
4 build-system-alpine:
6 - .native_build_job_template
7 - .native_build_artifact_template
9 - job: amd64-alpine-container
12 TARGETS: avr-softmmu loongarch64-softmmu mips64-softmmu mipsel-softmmu
13 MAKE_CHECK_ARGS: check-build
14 CONFIGURE_ARGS: --enable-docs --enable-trace-backends=log,simple,syslog
16 check-system-alpine:
19 - job: build-system-alpine
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| /openbmc/qemu/scripts/coverage/ |
| H A D | compare_gcov_json.py | 5 # - create two build dirs with --enable-gcov
6 # - run set of tests in each
7 # - run make coverage-html in each
8 # - run gcovr --json --exclude-unreachable-branches \
9 # --print-summary -o coverage.json --root ../../ . *.p
13 # SPDX-License-Identifier: GPL-2.0-or-later
26 parser.add_argument('-a', type=Path, default=None,
29 parser.add_argument('-b', type=Path, default=None,
32 parser.add_argument('--verbose', action='store_true', default=False,
38 # See https://gcovr.com/en/stable/output/json.html#json-format-reference
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| /openbmc/linux/Documentation/admin-guide/ |
| H A D | kernel-parameters.rst | 3 The kernel's command-line parameters
12 The kernel parses parameters from the kernel command line up to "``--``";
16 Everything after "``--``" is passed as an argument to init.
32 log_buf_len=1M print-fatal-signals=1
36 log-buf-len=1M print_fatal_signals=1
38 Double-quotes can be used to protect spaces in values, e.g.::
43 ----------
52 <cpu number>-<cpu number>
57 <cpu number>,...,<cpu number>-<cpu number>
63 <cpu number>-<cpu number>:<used size>/<group size>
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| H A D | kernel-parameters.txt | 5 force -- enable ACPI if default was off
6 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
7 off -- disable ACPI if default was on
8 noirq -- do not use ACPI for IRQ routing
9 strict -- Be less tolerant of platforms that are not
11 rsdt -- prefer RSDT over (default) XSDT
12 copy_dsdt -- copy DSDT to memory
26 If set to vendor, prefer vendor-specific driver
58 Documentation/firmware-guide/acpi/debug.rst for more information about
61 Enable processor driver info messages:
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| /openbmc/qemu/tests/functional/qemu_test/ |
| H A D | tuxruntest.py | 10 # SPDX-License-Identifier: GPL-2.0-or-later
24 # Tests are ~10-40s, allow for --debug/--enable-gcov overhead
32 print(f"{tagname}/{default} -> {utag}")
47 # Pre-init TuxRun specific settings: Most machines work with
70 failure_message='Kernel panic - not syncing',
82 run_cmd([self.zstd, "-f", "-d", disk_image_zst,
83 "-o", disk_image])
100 + f"file.filename={disk},node-name=hd0"
106 self.vm.add_args('-kernel', kernel,
107 '-append', kcmd_line,
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| /openbmc/qemu/docs/devel/testing/ |
| H A D | main.rst | 7 everything from unit testing and exercising specific sub-systems all
9 tests you can run ``make check-help`` from either the source or build
17 [./pyvenv/bin/]meson test --suite qemu:softfloat
25 -------------------------
36 Different sub-types of "make check" tests will be explained below.
45 Unit tests, which can be invoked with ``make check-unit``, are simple C tests
53 1. Create a new source file. For example, ``tests/unit/foo-test.c``.
63 is in ``tests/unit/foo-test.c``, it is enough to add an entry like::
67 'foo-test': [],
80 make check-unit V=1
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| /openbmc/qemu/scripts/ |
| H A D | meson-buildoptions.py | 28 # Options with nonstandard names (e.g. --with/--without) or OS-dependent
38 "b_coverage": "gcov",
40 "coroutine_backend": "with-coroutine",
41 "debug": "debug-info",
42 "malloc": "enable-malloc",
43 "pkgversion": "with-pkgversion",
45 "qemu_suffix": "with-suffix",
46 "trace_backends": "enable-trace-backends",
47 "trace_file": "with-trace-file",
58 # via -D, because it's a mix of CFLAGS and --extra-cflags); for specific
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| H A D | meson-buildoptions.sh | 1 # This file is generated by meson-buildoptions.py, do not edit!
3 printf "%s\n" ' --audio-drv-list=CHOICES Set audio driver list [default] (choices: alsa/co'
6 printf "%s\n" ' --bindir=VALUE Executable directory [bin]'
7 printf "%s\n" ' --block-drv-ro-whitelist=VALUE'
8 printf "%s\n" ' set block driver read-only whitelist (by default'
9 printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
10 printf "%s\n" ' --block-drv-rw-whitelist=VALUE'
11 printf "%s\n" ' set block driver read-write whitelist (by default'
12 printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
13 printf "%s\n" ' --datadir=VALUE Data file directory [share]'
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| /openbmc/linux/Documentation/trace/coresight/ |
| H A D | coresight.rst | 2 Coresight - HW Assisted Tracing on ARM
9 ------------
38 0 CPU 0<-->: C : 0 CPU 0<-->: C : : C : @ STM @ || System ||
39 |->0000000 : T : |->0000000 : T : : T :<--->@@@@@ || Memory ||
40 | #######<-->: I : | #######<-->: I : : I : @@@<-| ||||||||||||
43 | |->### | ! | |->### | ! | ! . | || DAP ||
49 *****************************************************************<-|
63 | * ===== F =====<---------|
65 |-->:: CTI ::<!! === N ===
69 |------>&& ETB &&<......II I =======
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| /openbmc/linux/kernel/trace/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
20 Enable generic return hooking feature. This is an internal
21 API, which will be used by other function-entry hooking
27 See Documentation/trace/ftrace-design.rst
32 See Documentation/trace/ftrace-design.rst
40 See Documentation/trace/ftrace-design.rst
69 See Documentation/trace/ftrace-design.rst
74 See Documentation/trace/ftrace-design.rst
79 Arch supports the gcc options -pg with -mfentry
84 Arch supports the gcc options -pg with -mrecord-mcount and -nop-mcount
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| /openbmc/linux/tools/perf/Documentation/ |
| H A D | perf-intel-pt.txt | 1 perf-intel-pt(1)
5 ----
6 perf-intel-pt - Support for Intel Processor Trace within perf tools
9 --------
11 'perf record' -e intel_pt//
14 -----------
19 Technical details are documented in the Intel 64 and IA-32 Architectures
23 processors that are based on the Intel micro-architecture code name Broadwell.
33 Decoding is done on-the-fly. The decoder outputs samples in the same format as
43 builds, however the executed images are needed - which makes use in JIT-compiled
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| /openbmc/linux/arch/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
20 menu "General architecture-dependent options"
25 Select if the architecture can check permissions at sub-page
71 for kernel debugging, non-intrusive instrumentation and testing.
80 makes certain almost-always-true or almost-always-false branch
83 Certain performance-sensitive kernel code, such as trace points,
97 ( On 32-bit x86, the necessary options added to the compiler
104 Boot time self-test of the branch patching code.
110 Boot time self-test of the call patching code.
130 Uprobes is the user-space counterpart to kprobes: they
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| /openbmc/linux/scripts/ |
| H A D | Makefile.lib | 1 # SPDX-License-Identifier: GPL-2.0
3 asflags-y += $(EXTRA_AFLAGS)
4 ccflags-y += $(EXTRA_CFLAGS)
5 cppflags-y += $(EXTRA_CPPFLAGS)
6 ldflags-y += $(EXTRA_LDFLAGS)
9 KBUILD_AFLAGS += $(subdir-asflags-y)
10 KBUILD_CFLAGS += $(subdir-ccflags-y)
11 KBUILD_RUSTFLAGS += $(subdir-rustflags-y)
16 # When an object is listed to be built compiled-in and modular,
17 # only build the compiled-in version
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| /openbmc/u-boot/scripts/ |
| H A D | Makefile.lib | 1 # SPDX-License-Identifier: GPL-2.0
3 asflags-y += $(EXTRA_AFLAGS)
4 ccflags-y += $(EXTRA_CFLAGS)
5 cppflags-y += $(EXTRA_CPPFLAGS)
6 ldflags-y += $(EXTRA_LDFLAGS)
10 export KBUILD_SUBDIR_ASFLAGS := $(KBUILD_SUBDIR_ASFLAGS) $(subdir-asflags-y)
11 export KBUILD_SUBDIR_CCFLAGS := $(KBUILD_SUBDIR_CCFLAGS) $(subdir-ccflags-y)
16 # When an object is listed to be built compiled-in and modular,
17 # only build the compiled-in version
19 obj-m := $(filter-out $(obj-y),$(obj-m))
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| /openbmc/qemu/ |
| H A D | meson.build | 10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
23 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
30 tmpdir = meson.current_build_dir() / 'meson-private/temp'
61 have_linux_user = have_linux_user or target.endswith('linux-user')
62 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
63 have_system = have_system or target.endswith('-softmmu')
107 …dgen.version() + ' is unsupported. You can install a new version with "cargo install bindgen-cli"')
114 message('To use Rust you can install a new version with "cargo install bindgen-cli"')
132 # instead. QEMU --enable-modules depends on this because the SystemTap
135 add_global_arguments('-DSTAP_SDT_V2',
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| /openbmc/ |
| D | opengrok1.0.log | 1 2025-03-22 03:00:49.337-0500 FINE t1 Executor.registerErrorHandler: Installing default uncaught exception handler
2 2025-03-22 03:00:49.465-0500 INFO t1 Indexer.parseOptions: Indexer options: [-c, /usr/local/bin/ctags, -T, 12, -s, /opengrok/src, -
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| D | opengrok2.0.log | 1 2025-03-21 03:00:54.402-0500 FINE t1 Executor.registerErrorHandler: Installing default uncaught exception handler
2 2025-03-21 03:00:54.529-0500 INFO t1 Indexer.parseOptions: Indexer options: [-c, /usr/local/bin/ctags, -T, 12, -s, /opengrok/src, -
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| /openbmc/linux/ |
| H A D | opengrok1.0.log | 1 2024-12-28 20:07:11.902-0600 FINER t583 IndexDatabase.createAnnotationCache: failed to create annotation: repository {dir='/opengrok/src/openbmc/linux',type=git,historyCache=on,renamed=false,merge=true,annotationCache=off} does not allow to create annotation cache for '/opengrok/src/openbmc/linux/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c'
2 2024-12-28 20:07:11.913-0600 FINEST t583 Statistics.logIt: Added: '/openbmc/linux/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c' (CAnalyzer) (took 116 ms)
3 2024-12-28 20:07:11.899-0600 FINER t593 IndexDatabase.createAnnotationCache: failed to create annotation: repository {dir='/opengrok/src/openbmc/linux',type=git,historyCache=on,renamed=false,merge=true,annotationCache=off} does not allow to create annotation cache for '/opengrok/src/openbmc/linux/tools/testing/selftests/powerpc/tm/tm-signa
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| H A D | opengrok0.0.log | 1 2024-12-28 20:09:05.996-0600 FINEST t1171 PendingFileCompleter.doRename: Moved pending as file: '/opengrok/data/xref/openbmc/linux/drivers/staging/media/av7110/video-continue.rst.gz'
2 2024-12-28 20:09:05.942-0600 FINEST t1149 PendingFileCompleter.doRename: Moved pending as file: '/opengrok/data/xref/openbmc/u-boot/arch/sh/config.mk.gz'
3 2024-12-2
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