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commit 725fe76b910d9215cceecd0ef362da76dcbca5e1 Author: chao.an <[email protected]> AuthorDate: Mon May 9 12:28:16 2022 +0800 trace: format the usage output before: Usage: trace <subcommand>... Subcommand: start [-c][<duration>] : Start task tracing stop : Stop task tracing dump [-a][-c][<filename>] : Output the trace result [-a] <Android SysTrace> mode [{+|-}{o|w|s|a|i|d}...] : Set task trace options switch [+|-] : Configure switch trace filter syscall [{+|-}<syscallname>...] : Configure syscall trace filter irq [{+|-}<irqnum>...] : Configure IRQ trace filter print [+|-] : Configure dump tnsh> after: Usage: trace <subcommand>... Subcommand: start [-c][<duration>] : Start task tracing stop : Stop task tracing cmd [-c] <command> [<args>...] : Get the trace while running <command> dump [-a][-c][<filename>] : Output the trace result [-a] <Android SysTrace> mode [{+|-}{o|w|s|a|i|d}...] : Set task trace options switch [+|-] : Configure switch trace filter syscall [{+|-}<syscallname>...] : Configure syscall trace filter irq [{+|-}<irqnum>...] : Configure IRQ trace filter print [+|-] : Configure dump trace filter Signed-off-by: chao.an <[email protected]> --- system/trace/trace.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/system/trace/trace.c b/system/trace/trace.c index c5c7f0fc0..bb382fede 100644 --- a/system/trace/trace.c +++ b/system/trace/trace.c @@ -787,38 +787,40 @@ static void show_usage(void) fprintf(stderr, "\nUsage: trace <subcommand>...\n" "Subcommand:\n" - " start [-c][<duration>] :" + " start [-c][<duration>] :" " Start task tracing\n" - " stop :" + " stop :" " Stop task tracing\n" #ifdef CONFIG_SYSTEM_SYSTEM - " cmd [-c] <command> [<args>...] :" + " cmd [-c] <command> [<args>...] :" " Get the trace while running <command>\n" #endif #ifdef CONFIG_DRIVER_NOTERAM - " dump [-a][-c][<filename>] :" + " dump [-a][-c][<filename>] :" " Output the trace result\n" - " [-a] <Android SysTrace>\n" + " [-a] <Android SysTrace>\n" #endif - " mode [{+|-}{o|w|s|a|i|d}...] :" + " mode [{+|-}{o|w|s|a|i|d}...] :" " Set task trace options\n" #ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH - " switch [+|-] :" + " switch [+|-] :" " Configure switch trace filter\n" #endif #ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL - " syscall [{+|-}<syscallname>...] :" + " syscall [{+|-}<syscallname>...] :" " Configure syscall trace filter\n" #endif #ifdef CONFIG_SCHED_INSTRUMENTATION_IRQHANDLER - " irq [{+|-}<irqnum>...] :" + " irq [{+|-}<irqnum>...] :" " Configure IRQ trace filter\n" #endif #ifdef CONFIG_SCHED_INSTRUMENTATION_DUMP - " print [+|-] :" + " print [+|-] :" " Configure dump trace filter\n" #endif ); + + fflush(stderr); } /****************************************************************************
