Function report |
Source Code:kernel\trace\trace.c |
Create Date:2022-07-28 11:58:40 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:trace_save_cmdline
Proto:static int trace_save_cmdline(struct task_struct *tsk)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct task_struct * | tsk |
2229 | If Not process id Then Return 1 |
2232 | If Value for the false possibility is greater at compile time(process id > This controls the default maximum pid allocated to a process) Then Return 0 |
2241 | If Not arch_spin_trylock( & trace_cmdline_lock) Then Return 0 |
2244 | idx = map_pid_to_cmdline[process id] |
2245 | If idx == NO_CMDLINE_MAP Then |
2246 | idx = (cmdline_idx + 1) % cmdline_num |
2254 | pid = map_cmdline_to_pid[idx] |
2255 | If pid != NO_CMDLINE_MAP Then map_pid_to_cmdline[pid] = NO_CMDLINE_MAP |
2258 | map_cmdline_to_pid[idx] = process id |
2259 | map_pid_to_cmdline[process id] = idx |
2261 | cmdline_idx = idx |
2264 | set_cmdline(idx, * executable name, excluding path. * - normally initialized setup_new_exec() * - access it with [gs]et_task_comm() * - lock it with task_lock()) |
2266 | arch_spin_unlock( & trace_cmdline_lock) |
2268 | Return 1 |
Name | Describe |
---|---|
tracing_record_taskinfo | racing_record_taskinfo - record the task info of a task*@task: task to record*@flags: TRACE_RECORD_CMDLINE for recording comm* TRACE_RECORD_TGID for recording tgid |
tracing_record_taskinfo_sched_switch | racing_record_taskinfo_sched_switch - record task info for sched_switch*@prev: previous task during sched_switch*@next: next task during sched_switch*@flags: TRACE_RECORD_CMDLINE for recording comm* TRACE_RECORD_TGID for recording tgid |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |