- 03 Aug, 2023 39 commits
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Ian Rogers authored
As topdown.slots may appear as slots it may get confused with uops_retired.slots which is an invalid perf metric event group leader. Special case uops_retired.slots to avoid this confusion. Reviewed-by:
Kan Liang <kan.liang@linux.intel.com> Signed-off-by:
Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Weilin Wang <weilin.wang@intel.com> Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20230801053634.1142634-2-irogers@google.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Masami Hiramatsu authored
Since @symbol variable access is not supported by uprobe event, it must be correctly warn user instead of kernel version update. Committer testing: With/without the patch: [root@quaco ~]# perf probe -x ~/bin/perf -L sigtrap_handler <sigtrap_handler@/home/acme/git/perf-tools-next/tools/perf/tests/sigtrap.c:0> 0 sigtrap_handler(int signum __maybe_unused, siginfo_t *info, void *ucontext __maybe_unused) 1 { 2 if (!__atomic_fetch_add(&ctx.signal_count, 1, __ATOMIC_RELAXED)) 3 ctx.first_siginfo = *info; 4 __atomic_fetch_sub(&ctx.tids_want_signal, syscall(SYS_gettid), __ATOMIC_RELAXED); 5 } static void *test_thread(void *arg) { [root@quaco ~]# perf probe -x ~/bin/perf sigtrap_handler:4 "ctx.signal_count" Without the patch: [root@quaco ~]# perf probe -x ~/bin/perf sigtrap_handler:4 "ctx.signal_count" Failed to write event: Invalid argument Please upgrade your kernel to at least 3.14 to have access to feature @ctx Error: Failed to add events. [root@quaco ~]# With the patch: [root@quaco ~]# Failed to write event: Invalid argument @ctx accesses a variable by symbol name, but that is not supported for user application probe. Error: Failed to add events. [root@quaco ~]# Reported-by:Arnaldo Carvalho de Melo <acme@kernel.org> Signed-off-by:
Masami Hiramatsu <mhiramat@kernel.org> Closes: https://lore.kernel.org/all/ZLWDEjvFjrrEJODp@kernel.org/Tested-by:
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Arnaldo Carvalho de Melo authored
First noticed on Fedora Rawhide: tests/bpf.c: In function ‘epoll_pwait_loop’: tests/bpf.c:36:17: error: argument 2 null where non-null expected [-Werror=nonnull] 36 | epoll_pwait(-(i + 1), NULL, 0, 0, NULL); | ^~~~~~~~~~~ In file included from tests/bpf.c:5: /usr/include/sys/epoll.h:134:12: note: in a call to function ‘epoll_pwait’ declared ‘nonnull’ 134 | extern int epoll_pwait (int __epfd, struct epoll_event *__events, | ^~~~~~~~~~~ [perfbuilder@27cfe44d67ed perf-6.5.0-rc2]$ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-redhat-linux Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,m2,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=/usr/share/zoneinfo --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl=/builddir/build/BUILD/gcc-13.2.1-20230728/obj-x86_64-redhat-linux/isl-install --enable-offload-targets=nvptx-none --without-cuda-driver --enable-offload-defaulted --enable-gnu-indirect-function --enable-cet --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux --with-build-config=bootstrap-lto --enable-link-serialization=1 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.2.1 20230728 (Red Hat 13.2.1-1) (GCC) [perfbuilder@27cfe44d67ed perf-6.5.0-rc2]$ Just add that argument to address this compiler warning. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/lkml/ZMj8+bvN86D0ZKiB@kernel.orgSigned-off-by: -
Athira Rajeev authored
perf tests stat+std_output: Fix shellcheck warnings about word splitting/quoting and local variables Running shellcheck on stat_std_output testcase throws below warning: In tests/shell/stat+std_output.sh line 9: . $(dirname $0)/lib/stat_output.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. In tests/shell/stat+std_output.sh line 32: local -i cnt=0 ^-^ SC2034 (warning): cnt appears unused. Verify use (or export if used externally). Fixed the warning by adding quotes to avoid word splitting and removed unused variable "cnt" at line 32. Signed-off-by:Athira Rajeev <atrajeev@linux.vnet.ibm.com> Acked-by:
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Athira Rajeev authored
Running shellcheck on stat+csv_output.sh throws below warning: In tests/shell/stat+csv_output.sh line 9: . $(dirname $0)/lib/stat_output.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warning by adding quotes to avoid word splitting. Signed-off-by: -
Kajol Jain authored
Running shellcheck on stat_output.sh throws below warning: In tests/shell/lib/stat_output.sh line 1: ^-- SC2148 (error): Tips depend on target shell and yours is unknown. Add a shebang or a 'shell' directive. Fixed the warning by adding shell directive. Signed-off-by:
Kajol Jain <kjain@linux.ibm.com> Acked-by:
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Kajol Jain authored
Running shellcheck on thread_loop_check_tid_2.sh throws below warning: In tests/shell/coresight/thread_loop_check_tid_2.sh line 8: . $(dirname $0)/../lib/coresight.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warning by adding quotes to avoid word splitting. Signed-off-by:
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Athira Rajeev authored
Running shellcheck on record+zstd_comp_decomp.sh testcases throws below warning: In tests/shell/record+zstd_comp_decomp.sh line 16: $perf_tool record -o $trace_file $gflag -z -F 5000 -- \ ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting. Did you mean: $perf_tool record -o "$trace_file" $gflag -z -F 5000 -- \ In tests/shell/record+zstd_comp_decomp.sh line 22: $perf_tool report -i $trace_file --header --stats | \ ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting. Added double quote around file names to fix these shellcheck reported issues. Signed-off-by: -
Athira Rajeev authored
Running shellcheck on syscalltbl.sh generates below warning: In ./tools/perf/arch/x86/entry/syscalls/syscalltbl.sh line 27: while read nr abi name entry compat; do ^-^ SC2034 (warning): abi appears unused. Verify use (or export if used externally). ^----^ SC2034 (warning): compat appears unused. Verify use (or export if used externally). These variables are intentionally unused since they are needed to parse through the output. Use "_" as a prefix for these throw away variables. Signed-off-by: -
Athira Rajeev authored
Running shellcheck on x86_arch_prctl.sh generates below warning: In ./tools/perf/trace/beauty/x86_arch_prctl.sh line 10: local idx=$1 ^-------^ SC3043 (warning): In POSIX sh, 'local' is undefined. In ./tools/perf/trace/beauty/x86_arch_prctl.sh line 11: local prefix=$2 ^----------^ SC3043 (warning): In POSIX sh, 'local' is undefined. In ./tools/perf/trace/beauty/x86_arch_prctl.sh line 12: local first_entry=$3 ^---------------^ SC3043 (warning): In POSIX sh, 'local' is undefined. Fix this by removing local since these are variables used only in specific function Signed-off-by: -
Athira Rajeev authored
Running shellcheck in "lib/waiting.sh" generates below warning: In ./tools/perf/tests/shell/lib/waiting.sh line 1: # SPDX-License-Identifier: GPL-2.0 ^-- SC2148 (error): Tips depend on target shell and yours is unknown. Add a shebang or a 'shell' directive. Fix this by adding shebang in the beginning of the script. Signed-off-by:
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Athira Rajeev authored
Running shellcheck on probe_vfs_getname fails with below warning: In ./tools/perf/tests/shell/lib/probe_vfs_getname.sh line 1: # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 ^-- SC2148 (error): Tips depend on target shell and yours is unknown. Add a shebang or a 'shell' directive. In ./tools/perf/tests/shell/lib/probe_vfs_getname.sh line 14: local verbose=$1 ^-----------^ SC3043 (warning): In POSIX sh, 'local' is undefined. Fix this: - by adding shebang in the beginning of the file and - rename variable verbose to "add_probe_verbose" after removing local Signed-off-by: -
Athira Rajeev authored
Fix the shellcheck warnings for unroll_loop_thread_10.sh Add quotes to prevent word splitting which are caused by unquoted command expansions. Signed-off-by:
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Athira Rajeev authored
Fix the shellcheck warnings for thread_loop_check_tid_10.sh In ./tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh line 8: . $(dirname $0)/../lib/coresight.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. Add quotes to prevent word splitting which are caused by unquoted command expansions. Signed-off-by: -
Kajol Jain authored
Running shellcheck on check-headers.sh generates below warning: In check-headers.sh line 126: check_2 "tools/$file" "$file" $* ^-- SC2048 (warning): Use "$@" (with quotes) to prevent whitespace problems. In check-headers.sh line 134: check_2 "tools/perf/trace/beauty/$file" "$file" $* ^-- SC2048 (warning): Use "$@" (with quotes) to prevent whitespace problems. In check-headers.sh line 186: cd tools/perf ^-----------^ SC2164 (warning): Use 'cd ... || exit' or 'cd ... || return' in case cd fails. Fixed the warnings by: - Using "$@" instead of $* - Adding exit condition with cd command Signed-off-by: -
Kajol Jain authored
Running shellcheck on arch_errno_names.sh generates below warning: In arch_errno_names.sh line 20: local arch="$1" ^--------^ SC3043 (warning): In POSIX sh, 'local' is undefined. ...... In arch_errno_names.sh line 61: local arch ^--------^ SC3043 (warning): In POSIX sh, 'local' is undefined. In arch_errno_names.sh line 67: printf '\t\treturn errno_to_name__%s(err);\n' $(arch_string "$arch") ^--------------------^ SC2046 (warning): Quote this to prevent word splitting. In arch_errno_names.sh line 69: printf '\treturn errno_to_name__%s(err);\n' $(arch_string "$default") ^-----------------------^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warnings by: - Fixing shellcheck warnings for local usage, by removing local from the variable names - Adding quotes to avoid word splitting Signed-off-by: -
Kajol Jain authored
Running shellcheck on probe.sh throws below warning: In lib/probe.sh line 1: ^-- SC2148 (error): Tips depend on target shell and yours is unknown. Add a shebang or a 'shell' directive. Fixed the warnings by adding shell directive. Signed-off-by:
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Kajol Jain authored
Running shellcheck on memcpy_thread_16k_10.sh throws below warning: In memcpy_thread_16k_10.sh line 8: . $(dirname $0)/../lib/coresight.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warning by adding quotes to avoid word splitting. ShellCheck result with patch: # shellcheck -S warning coresight/memcpy_thread_16k_10.sh # Signed-off-by: -
Kajol Jain authored
Running shellcheck on asm_pure_loop.sh throws below warning: In coresight/asm_pure_loop.sh line 8: . $(dirname $0)/../lib/coresight.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warning by adding quotes to avoid word splitting. ShellCheck result with patch: # shellcheck -S warning coresight/asm_pure_loop.sh # Signed-off-by: -
Athira Rajeev authored
Running shellcheck on stat+shadow_stat.sh generates below warning: In tests/shell/stat+shadow_stat.sh line 48: while read cpu num evt hash ipc rest ^--^ SC2034 (warning): hash appears unused. Verify use (or export if used externally). This variable is intentionally unused since it is needed to parse through the output. Use "_" as a prefix for this throw away variable. Signed-off-by: -
Athira Rajeev authored
Running shellcheck on stat_bpf_counter.sh generates below warning: In tests/shell/stat_bpf_counters.sh line 34: if [ "$base_cycles" == "<not" ]; then ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined. In tests/shell/stat_bpf_counters.sh line 39: if [ "$bpf_cycles" == "<not" ]; then ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined. Fix this by using "=" instead of "==" to work for all shells. Signed-off-by: -
Athira Rajeev authored
Running shellcheck on test_perf_data_converter_json.sh throws below warning: In tests/shell/test_perf_data_converter_json.sh line 42: if [ $(cat "${result}" | wc -l) -gt "0" ] ; then ^------------------------^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warning by adding quotes to avoid word splitting. ShellCheck result with patch: # shellcheck -S warning test_perf_data_converter_json.sh # Signed-off-by: -
Athira Rajeev authored
Running shellcheck on stat+csv_summary.sh throws below warnings: In tests/shell/stat+csv_summary.sh line 26: while read num event run pct ^-^ SC2034 (warning): num appears unused. Verify use (or export if used externally). ^---^ SC2034 (warning): event appears unused. Verify use (or export if used externally). ^-^ SC2034 (warning): run appears unused. Verify use (or export if used externally). ^-^ SC2034 (warning): pct appears unused. Verify use (or export if used externally). These variables are intentionally unused since they are needed to parse through the output. Use "_" as a prefix for these throw away variables. Signed-off-by: -
Athira Rajeev authored
Running shellcheck -S on test_arm_spe_fork.sh throws below warnings: In tests/shell/test_arm_spe_fork.sh line 25: trap cleanup_files exit term int ^--^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. ^--^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. ^-^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. Fixed this issue by using uppercase for "EXIT", "TERM" and "INIT" signals to avoid using lower/mixed case for signal names as input. Signed-off-by: -
Kajol Jain authored
Running shellcheck on lock_contention.sh generates below warning: In stat_bpf_counters_cgrp.sh line 28: if [ -d /sys/fs/cgroup/system.slice -a -d /sys/fs/cgroup/user.slice ]; then ^-- SC2166 (warning): Prefer [ p ] && [ q ] as [ p -a q ] is not well defined. In stat_bpf_counters_cgrp.sh line 34: local self_cgrp=$(grep perf_event /proc/self/cgroup | cut -d: -f3) ^-------------^ SC3043 (warning): In POSIX sh, 'local' is undefined. ^-------^ SC2155 (warning): Declare and assign separately to avoid masking return values. ^-- SC2046 (warning): Quote this to prevent word splitting. In stat_bpf_counters_cgrp.sh line 51: local output ^----------^ SC3043 (warning): In POSIX sh, 'local' is undefined. In stat_bpf_counters_cgrp.sh line 65: local output ^----------^ SC3043 (warning): In POSIX sh, 'local' is undefined. Fixed above warnings by: - Changing the expression [p -a q] to [p] && [q]. - Fixing shellcheck warnings for local usage, by prefixing function name to the variable. Signed-off-by: -
Kajol Jain authored
Running shellcheck on lock_contention.sh generates below warning: In tests/shell/lock_contention.sh line 24: if [ `id -u` != 0 ]; then ^-----^ SC2046 (warning): Quote this to prevent word splitting. In tests/shell/lock_contention.sh line 160: local type=$(head -1 "${result}" | awk '{ print $8 }' | sed -e 's/:.*//') ^--------^ SC3043 (warning): In POSIX sh, 'local' is undefined. ^--^ SC2155 (warning): Declare and assign separately to avoid masking return values. ^-- SC2046 (warning): Quote this to prevent word splitting. Fixed above warnings by: - Adding quotes to avoid word splitting. - Fixing shellcheck warnings for local usage, by prefixing function name to the variable. Signed-off-by: -
Kajol Jain authored
perf tests record_offcpu: Fix shellcheck warnings about word splitting/quoting and signal names case Running shellcheck on record_offcpu.sh throws below warning: In tests/shell/record_offcpu.sh line 13: trap - exit term int ^--^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. ^--^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. ^-^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. In tests/shell/record_offcpu.sh line 20: trap trap_cleanup exit term int ^--^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. ^--^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. ^-^ SC3049 (warning): In POSIX sh, using lower/mixed case for signal names is undefined. In tests/shell/record_offcpu.sh line 25: if [ `id -u` != 0 ] ^-----^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warnings by: - Capitalize signals(INT, TERM, EXIT) to avoid mixed/lower case naming of signals. - Adding quotes to avoid word splitting. Result from shellcheck after patch changes: $ shellcheck -S warning record_offcpu.sh $ Signed-off-by: -
Kajol Jain authored
Running shellcheck on probe_vfs_getname.sh throws below warning: In tests/shell/probe_vfs_getname.sh line 7: . $(dirname $0)/lib/probe.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. In tests/shell/probe_vfs_getname.sh line 11: . $(dirname $0)/lib/probe_vfs_getname.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. Fixed the warning by adding quotes to avoid word splitting. ShellCheck result with patch: # shellcheck -S warning probe_vfs_getname.sh # Signed-off-by: -
Akanksha J N authored
Running shellcheck -S on probe_vfs_getname.sh, throws below warnings: Before fix: $ shellcheck -S warning trace+probe_vfs_getname.sh In trace+probe_vfs_getname.sh line 13: . $(dirname $0)/lib/probe.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. In trace+probe_vfs_getname.sh line 18: . $(dirname $0)/lib/probe_vfs_getname.sh ^-----------^ SC2046 (warning): Quote this to prevent word splitting. In trace+probe_vfs_getname.sh line 21: evts=$(echo $(perf list syscalls:sys_enter_open* 2>/dev/null | grep -E 'open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/') | sed 's/ /,/') ^-- SC2046 (warning): Quote this to prevent word splitting. Fix the shellcheck warnings by adding quotes to prevent word splitting. Signed-off-by:
Akanksha J N <akanksha@linux.ibm.com> Acked-by:
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Aditya Gupta authored
Currently we depend on output of 'perf record -e "sched:sched_switch"', to check whether perf was built with libtraceevent support. Instead, a more straightforward approach can be to check the build options, using 'perf version --build-options', to check for libtraceevent support. When perf is compiled WITHOUT libtraceevent ('make NO_LIBTRACEEVENT=1'), 'perf version --build-options' outputs (output trimmed): ... libtraceevent: [ OFF ] # HAVE_LIBTRACEEVENT ... While, when perf is compiled WITH libtraceevent, 'perf version --build-options' outputs: ... libtraceevent: [ on ] # HAVE_LIBTRACEEVENT ... Committer notes: Removed one grep in the pipleline by combining the two into just one expression that covers the OFF + HAVE_LIBTRACEEVENT. Suggested-by:Aditya Gupta <adityag@linux.ibm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Disha Goel <disgoel@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20230725061649.34937-1-adityag@linux.ibm.comSigned-off-by:
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Ian Rogers authored
parse_events_array was set up by event term parsing, which no longer exists. Remove this struct and references to it. Signed-off-by:
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Ian Rogers authored
This reverts commit e571e029 ("perf tools: Enable indices setting syntax for BPF map"). The reverted commit added a notion of arrays that could be set as event terms for BPF events. The parsing hasn't worked over multiple Linux releases. Given the broken nature of the parsing it appears the code isn't in use, nor could I find a way for it to be used to add a test. The original commit contains a test in the commit message, however, running it yields: ``` $ perf record -e './test_bpf_map_3.c/map:channel.value[0,1,2,3...5]=101/' usleep 2 event syntax error: '..pf_map_3.c/map:channel.value[0,1,2,3...5]=101/' \___ parser error Run 'perf list' for a list of valid events Usage: perf record [<options>] [<command>] or: perf record [<options>] -- <command> [<options>] -e, --event <event> event selector. use 'perf list' to list available events ``` Given the code can't be used this commit reverts and removes it. Signed-off-by:
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Ian Rogers authored
loc is passed as NULL in tools/perf/tests/bpf.c do_test, meaning errors trigger a SEGV when trying to access. Add the missing NULL check. Signed-off-by:
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Namhyung Kim authored
The flex and bison generate header files from the source. When user specified a build directory with O= option, it'd generate files under the directory. The build command has -I option to specify the header include directory. But the -I option only affects the files included like <...>. Let's change the flex and bison headers to use it instead of "...". Fixes: 80eeb67f ("perf jevents: Program to convert JSON file") Signed-off-by:
Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Anup Sharma <anupnewsmail@gmail.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230728022447.1323563-2-namhyung@kernel.orgSigned-off-by:
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Namhyung Kim authored
The bison and flex generate C files from the source (.y and .l) files. When O= option is used, they are saved in a separate directory but the default build rule assumes the .C files are in the source directory. So it might read invalid file if there are generated files from an old version. The same is true for the pmu-events files. For example, the following command would cause a build failure: $ git checkout v6.3 $ make -C tools/perf # build in the same directory $ git checkout v6.5-rc2 $ mkdir build # create a build directory $ make -C tools/perf O=build # build in a different directory but it # refers files in the source directory Let's update the build rule to specify those cases explicitly to depend on the files in the output directory. Note that it's not a complete fix and it needs the next patch for the include path too. Fixes: 80eeb67f ("perf jevents: Program to convert JSON file") Signed-off-by: -
Ian Rogers authored
Properly fix a warning and remove the -Wno-redundant-decls C flag. Signed-off-by:
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Ian Rogers authored
If bison is version 3.8.2, reduce the number of bison C warnings disabled. Earlier bison versions have all C warnings disabled. Avoid implicit declarations of yylex by adding the declaration in the C file. A header can't be included as a circular dependency would occur due to the lexer using the bison defined tokens. Committer notes: Some recent versions of gcc and clang (noticed on Alpine Linux 3.17, edge, clearlinux, fedora 37, etc. Signed-off-by:
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Ian Rogers authored
If flex is version 2.6.4, reduce the number of flex C warnings disabled. Earlier flex versions have all C warnings disabled. Committer notes: Added this to the list of ignored warnings to get it building on a Fedora 36 machine with flex 2.6.4: -Wno-misleading-indentation Noticed when building with: $ make LLVM=1 -C tools/perf NO_BPF_SKEL=1 DEBUG=1 Take two: We can't just try to canonicalize flex versions by just removing the dots, as we end up with: 2.6.4 >= 2.5.37 becoming: 264 >= 2537 Failing the build on flex 2.5.37, so instead use the back to the past added $(call version_ge3,$(FLEX_VERSION),2.6.4) variant to check for that. Making sure $(FLEX_VERSION) keeps the dots as we may want to use 'sort -V' or something nicer when available everywhere. Some other tweaks for other flex versions and combinations with gcc and clang versions were added, notes on the patch. Signed-off-by:
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Arnaldo Carvalho de Melo authored
The next cset needs to compare if a flex version is greater or equal/less than another, but since there is no canonical, generally available way to compare versions in the command line (sort -V, yeah, but...), just use awk to canonicalize the versions like is also done in scripts/rust_is_available.sh. There was a problem spotted in linux-next where a bashism, here documents, aka the '<<<' stdin redirector, for strings to be used as the stdin for awk. Use $(shell echo | awk ...) instead. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by:
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- 28 Jul, 2023 1 commit
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Ian Rogers authored
Commit d58ac0bf ("perf build: Add clang and llvm compile and linking support") added -Wall and -Wno-strict-aliasing for CXXFLAGS, but not -Wextra. -Wno-strict-aliasing is no longer necessary, adding -Wextra for CXXFLAGS requires adding -Wno-unused-parameter clang.cpp and clang-test.cpp for LIBCLANGLLVM=1 to build. Signed-off-by:
James Clark <james.clark@arm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Eduard Zingerman <eddyz87@gmail.com> Cc: Gaosheng Cui <cuigaosheng1@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rob Herring <robh@kernel.org> Cc: Tom Rix <trix@redhat.com> Cc: bpf@vger.kernel.org Cc: llvm@lists.linux.dev Link: https://lore.kernel.org/r/20230728064917.767761-4-irogers@google.comSigned-off-by:
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