[PATCH v3] Improve perf option help information in perf.txt
Perf could use many options, such as:-vv, --exec-path, --html-path, -p, --paginate,--no-pager, --debugfs-dir, --buildid-dir, --list-cmds, --list-opts. Add these options in perf.txt. Signed-off-by: Zejiang Tang --- tools/perf/Documentation/perf.txt | 69 ++- 1 file changed, 47 insertions(+), 22 deletions(-) diff --git a/tools/perf/Documentation/perf.txt b/tools/perf/Documentation/perf.txt index 3f37ded..c130a3c 100644 --- a/tools/perf/Documentation/perf.txt +++ b/tools/perf/Documentation/perf.txt @@ -12,32 +12,57 @@ SYNOPSIS OPTIONS --- ---debug:: - Setup debug variable (see list below) in value - range (0, 10). Use like: - --debug verbose # sets verbose = 1 - --debug verbose=2 # sets verbose = 2 - - List of debug variables allowed to set: - verbose - general debug messages - ordered-events - ordered events object debug messages - data-convert - data convert command debug messages - stderr - write debug output (option -v) to stderr -in browser mode - perf-event-open - Print perf_event_open() arguments and -return value - ---buildid-dir:: - Setup buildid cache directory. It has higher priority than - buildid.dir config file option. +-h:: +--help:: +Run perf help command. -v:: --version:: - Display perf version. +Display perf version. --h:: ---help:: - Run perf help command. +-vv:: +Print the compiled-in status of libraries. + +--exec-path:: +Display or set exec path. + +--html-path:: +Display html documentation path. + +-p:: +--paginate:: +Set up pager. + +--no-pager:: +Do not set pager. + +--buildid-dir:: +Setup buildid cache directory. It has higher priority +than buildid.dir config file option. + +--list-cmds:: +List the most commonly used perf commands. + +--list-opts:: +List available perf options. + +--debugfs-dir:: +Set debugfs directory or set environment variable PERF_DEBUGFS_DIR. + +--debug:: +Setup debug variable (see list below) in value +range (0, 10). Use like: + --debug verbose # sets verbose = 1 + --debug verbose=2 # sets verbose = 2 + +List of debug variables allowed to set: + verbose - general debug messages + ordered-events - ordered events object debug messages + data-convert - data convert command debug messages + stderr - write debug output (option -v) to stderr + in browser mode + perf-event-open - Print perf_event_open() arguments and + return value DESCRIPTION --- -- 2.1.0
[PATCH v2] Improve perf option help information in perf.txt
Perf could use many options, such as:-vv, --exec-path, --html-path, -p, --paginate,--no-pager, --debugfs-dir, --buildid-dir, --list-cmds, --list-opts. Add these options in perf.txt. Signed-off-by: Zejiang Tang --- tools/perf/Documentation/perf.txt | 69 ++- 1 file changed, 47 insertions(+), 22 deletions(-) diff --git a/tools/perf/Documentation/perf.txt b/tools/perf/Documentation/perf.txt index 3f37ded..5edb854 100644 --- a/tools/perf/Documentation/perf.txt +++ b/tools/perf/Documentation/perf.txt @@ -12,32 +12,57 @@ SYNOPSIS OPTIONS --- ---debug:: - Setup debug variable (see list below) in value - range (0, 10). Use like: - --debug verbose # sets verbose = 1 - --debug verbose=2 # sets verbose = 2 - - List of debug variables allowed to set: - verbose - general debug messages - ordered-events - ordered events object debug messages - data-convert - data convert command debug messages - stderr - write debug output (option -v) to stderr -in browser mode - perf-event-open - Print perf_event_open() arguments and -return value - ---buildid-dir:: - Setup buildid cache directory. It has higher priority than - buildid.dir config file option. +-h:: +--help:: +Run perf help command. -v:: --version:: - Display perf version. +Display perf version. --h:: ---help:: - Run perf help command. +-vv:: +Print the compiled-in status of libraries. + +--exec-path:: +Display or set exec path. + +--html-path:: +Display absolute html path. + +-p:: +--paginate:: +Set up pager. + +--no-pager:: +Add or change the content of environment variables. + +--buildid-dir:: +Setup buildid cache directory. It has higher priority +than buildid.dir config file option. + +--list-cmds:: +List the most commonly used perf commands. + +--list-opts:: +List available perf options. + +--debugfs-dir:: +Set debugfs directory or set environment variable PERF_DEBUGFS_DIR. + +--debug:: +Setup debug variable (see list below) in value +range (0, 10). Use like: + --debug verbose # sets verbose = 1 + --debug verbose=2 # sets verbose = 2 + +List of debug variables allowed to set: + verbose - general debug messages + ordered-events - ordered events object debug messages + data-convert - data convert command debug messages + stderr - write debug output (option -v) to stderr + in browser mode + perf-event-open - Print perf_event_open() arguments and + return value DESCRIPTION --- -- 2.1.0
[PATCH v2] MIPS: ftrace: Remove redundant #ifdef CONFIG_DYNAMIC_FTRACE
There exists redundant #ifdef CONFIG_DYNAMIC_FTRACE in ftrace.c, remove it. Signed-off-by: Zejiang Tang Reviewed-by: Steven Rostedt (VMware) --- arch/mips/kernel/ftrace.c | 4 1 file changed, 4 deletions(-) diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 2625232..f57e68f 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -37,10 +37,6 @@ void arch_ftrace_update_code(int command) ftrace_modify_all_code(command); } -#endif - -#ifdef CONFIG_DYNAMIC_FTRACE - #define JAL 0x0c00 /* jump & link: ip --> ra, jump to target */ #define ADDR_MASK 0x03ff /* op_code|addr : 31...26|25 0 */ #define JUMP_RANGE_MASK ((1UL << 28) - 1) -- 2.1.0
Re: Re: [PATCH] MIPS: ftrace: Remove redundant #ifdef CONFIG_DYNAMIC_FTRAC
okļ¼thank you very much Florian Fainelli f.faine...@gmail.comwrote: > > > On 8/13/2020 7:08 PM, Zejiang Tang wrote: > > There exists redundant #ifdef CONFIG_DYNAMIC_FTRAC in ftrace.c, remove it. > > There is a missing E at the end of CONFIG_DYNAMIC_FTRAC in your subject > FWIWW. > -- > Florian
[PATCH] MIPS: ftrace: Remove redundant #ifdef CONFIG_DYNAMIC_FTRAC
There exists redundant #ifdef CONFIG_DYNAMIC_FTRAC in ftrace.c, remove it. Signed-off-by: Zejiang Tang --- arch/mips/kernel/ftrace.c | 4 1 file changed, 4 deletions(-) diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 2625232..f57e68f 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -37,10 +37,6 @@ void arch_ftrace_update_code(int command) ftrace_modify_all_code(command); } -#endif - -#ifdef CONFIG_DYNAMIC_FTRACE - #define JAL 0x0c00 /* jump & link: ip --> ra, jump to target */ #define ADDR_MASK 0x03ff /* op_code|addr : 31...26|25 0 */ #define JUMP_RANGE_MASK ((1UL << 28) - 1) -- 2.1.0
