diff options
Diffstat (limited to 'ANDROID_3.4.5/include/trace/events/rcu.h')
| -rw-r--r-- | ANDROID_3.4.5/include/trace/events/rcu.h | 570 |
1 files changed, 0 insertions, 570 deletions
diff --git a/ANDROID_3.4.5/include/trace/events/rcu.h b/ANDROID_3.4.5/include/trace/events/rcu.h deleted file mode 100644 index 33709978..00000000 --- a/ANDROID_3.4.5/include/trace/events/rcu.h +++ /dev/null @@ -1,570 +0,0 @@ -#undef TRACE_SYSTEM -#define TRACE_SYSTEM rcu - -#if !defined(_TRACE_RCU_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_RCU_H - -#include <linux/tracepoint.h> - -/* - * Tracepoint for start/end markers used for utilization calculations. - * By convention, the string is of the following forms: - * - * "Start <activity>" -- Mark the start of the specified activity, - * such as "context switch". Nesting is permitted. - * "End <activity>" -- Mark the end of the specified activity. - * - * An "@" character within "<activity>" is a comment character: Data - * reduction scripts will ignore the "@" and the remainder of the line. - */ -TRACE_EVENT(rcu_utilization, - - TP_PROTO(char *s), - - TP_ARGS(s), - - TP_STRUCT__entry( - __field(char *, s) - ), - - TP_fast_assign( - __entry->s = s; - ), - - TP_printk("%s", __entry->s) -); - -#ifdef CONFIG_RCU_TRACE - -#if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) - -/* - * Tracepoint for grace-period events: starting and ending a grace - * period ("start" and "end", respectively), a CPU noting the start - * of a new grace period or the end of an old grace period ("cpustart" - * and "cpuend", respectively), a CPU passing through a quiescent - * state ("cpuqs"), a CPU coming online or going offline ("cpuonl" - * and "cpuofl", respectively), and a CPU being kicked for being too - * long in dyntick-idle mode ("kick"). - */ -TRACE_EVENT(rcu_grace_period, - - TP_PROTO(char *rcuname, unsigned long gpnum, char *gpevent), - - TP_ARGS(rcuname, gpnum, gpevent), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(unsigned long, gpnum) - __field(char *, gpevent) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->gpnum = gpnum; - __entry->gpevent = gpevent; - ), - - TP_printk("%s %lu %s", - __entry->rcuname, __entry->gpnum, __entry->gpevent) -); - -/* - * Tracepoint for grace-period-initialization events. These are - * distinguished by the type of RCU, the new grace-period number, the - * rcu_node structure level, the starting and ending CPU covered by the - * rcu_node structure, and the mask of CPUs that will be waited for. - * All but the type of RCU are extracted from the rcu_node structure. - */ -TRACE_EVENT(rcu_grace_period_init, - - TP_PROTO(char *rcuname, unsigned long gpnum, u8 level, - int grplo, int grphi, unsigned long qsmask), - - TP_ARGS(rcuname, gpnum, level, grplo, grphi, qsmask), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(unsigned long, gpnum) - __field(u8, level) - __field(int, grplo) - __field(int, grphi) - __field(unsigned long, qsmask) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->gpnum = gpnum; - __entry->level = level; - __entry->grplo = grplo; - __entry->grphi = grphi; - __entry->qsmask = qsmask; - ), - - TP_printk("%s %lu %u %d %d %lx", - __entry->rcuname, __entry->gpnum, __entry->level, - __entry->grplo, __entry->grphi, __entry->qsmask) -); - -/* - * Tracepoint for tasks blocking within preemptible-RCU read-side - * critical sections. Track the type of RCU (which one day might - * include SRCU), the grace-period number that the task is blocking - * (the current or the next), and the task's PID. - */ -TRACE_EVENT(rcu_preempt_task, - - TP_PROTO(char *rcuname, int pid, unsigned long gpnum), - - TP_ARGS(rcuname, pid, gpnum), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(unsigned long, gpnum) - __field(int, pid) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->gpnum = gpnum; - __entry->pid = pid; - ), - - TP_printk("%s %lu %d", - __entry->rcuname, __entry->gpnum, __entry->pid) -); - -/* - * Tracepoint for tasks that blocked within a given preemptible-RCU - * read-side critical section exiting that critical section. Track the - * type of RCU (which one day might include SRCU) and the task's PID. - */ -TRACE_EVENT(rcu_unlock_preempted_task, - - TP_PROTO(char *rcuname, unsigned long gpnum, int pid), - - TP_ARGS(rcuname, gpnum, pid), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(unsigned long, gpnum) - __field(int, pid) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->gpnum = gpnum; - __entry->pid = pid; - ), - - TP_printk("%s %lu %d", __entry->rcuname, __entry->gpnum, __entry->pid) -); - -/* - * Tracepoint for quiescent-state-reporting events. These are - * distinguished by the type of RCU, the grace-period number, the - * mask of quiescent lower-level entities, the rcu_node structure level, - * the starting and ending CPU covered by the rcu_node structure, and - * whether there are any blocked tasks blocking the current grace period. - * All but the type of RCU are extracted from the rcu_node structure. - */ -TRACE_EVENT(rcu_quiescent_state_report, - - TP_PROTO(char *rcuname, unsigned long gpnum, - unsigned long mask, unsigned long qsmask, - u8 level, int grplo, int grphi, int gp_tasks), - - TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(unsigned long, gpnum) - __field(unsigned long, mask) - __field(unsigned long, qsmask) - __field(u8, level) - __field(int, grplo) - __field(int, grphi) - __field(u8, gp_tasks) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->gpnum = gpnum; - __entry->mask = mask; - __entry->qsmask = qsmask; - __entry->level = level; - __entry->grplo = grplo; - __entry->grphi = grphi; - __entry->gp_tasks = gp_tasks; - ), - - TP_printk("%s %lu %lx>%lx %u %d %d %u", - __entry->rcuname, __entry->gpnum, - __entry->mask, __entry->qsmask, __entry->level, - __entry->grplo, __entry->grphi, __entry->gp_tasks) -); - -/* - * Tracepoint for quiescent states detected by force_quiescent_state(). - * These trace events include the type of RCU, the grace-period number - * that was blocked by the CPU, the CPU itself, and the type of quiescent - * state, which can be "dti" for dyntick-idle mode, "ofl" for CPU offline, - * or "kick" when kicking a CPU that has been in dyntick-idle mode for - * too long. - */ -TRACE_EVENT(rcu_fqs, - - TP_PROTO(char *rcuname, unsigned long gpnum, int cpu, char *qsevent), - - TP_ARGS(rcuname, gpnum, cpu, qsevent), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(unsigned long, gpnum) - __field(int, cpu) - __field(char *, qsevent) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->gpnum = gpnum; - __entry->cpu = cpu; - __entry->qsevent = qsevent; - ), - - TP_printk("%s %lu %d %s", - __entry->rcuname, __entry->gpnum, - __entry->cpu, __entry->qsevent) -); - -#endif /* #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) */ - -/* - * Tracepoint for dyntick-idle entry/exit events. These take a string - * as argument: "Start" for entering dyntick-idle mode, "End" for - * leaving it, "--=" for events moving towards idle, and "++=" for events - * moving away from idle. "Error on entry: not idle task" and "Error on - * exit: not idle task" indicate that a non-idle task is erroneously - * toying with the idle loop. - * - * These events also take a pair of numbers, which indicate the nesting - * depth before and after the event of interest. Note that task-related - * events use the upper bits of each number, while interrupt-related - * events use the lower bits. - */ -TRACE_EVENT(rcu_dyntick, - - TP_PROTO(char *polarity, long long oldnesting, long long newnesting), - - TP_ARGS(polarity, oldnesting, newnesting), - - TP_STRUCT__entry( - __field(char *, polarity) - __field(long long, oldnesting) - __field(long long, newnesting) - ), - - TP_fast_assign( - __entry->polarity = polarity; - __entry->oldnesting = oldnesting; - __entry->newnesting = newnesting; - ), - - TP_printk("%s %llx %llx", __entry->polarity, - __entry->oldnesting, __entry->newnesting) -); - -/* - * Tracepoint for RCU preparation for idle, the goal being to get RCU - * processing done so that the current CPU can shut off its scheduling - * clock and enter dyntick-idle mode. One way to accomplish this is - * to drain all RCU callbacks from this CPU, and the other is to have - * done everything RCU requires for the current grace period. In this - * latter case, the CPU will be awakened at the end of the current grace - * period in order to process the remainder of its callbacks. - * - * These tracepoints take a string as argument: - * - * "No callbacks": Nothing to do, no callbacks on this CPU. - * "In holdoff": Nothing to do, holding off after unsuccessful attempt. - * "Begin holdoff": Attempt failed, don't retry until next jiffy. - * "Dyntick with callbacks": Entering dyntick-idle despite callbacks. - * "More callbacks": Still more callbacks, try again to clear them out. - * "Callbacks drained": All callbacks processed, off to dyntick idle! - * "Timer": Timer fired to cause CPU to continue processing callbacks. - */ -TRACE_EVENT(rcu_prep_idle, - - TP_PROTO(char *reason), - - TP_ARGS(reason), - - TP_STRUCT__entry( - __field(char *, reason) - ), - - TP_fast_assign( - __entry->reason = reason; - ), - - TP_printk("%s", __entry->reason) -); - -/* - * Tracepoint for the registration of a single RCU callback function. - * The first argument is the type of RCU, the second argument is - * a pointer to the RCU callback itself, the third element is the - * number of lazy callbacks queued, and the fourth element is the - * total number of callbacks queued. - */ -TRACE_EVENT(rcu_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen_lazy, - long qlen), - - TP_ARGS(rcuname, rhp, qlen_lazy, qlen), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(void *, rhp) - __field(void *, func) - __field(long, qlen_lazy) - __field(long, qlen) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->rhp = rhp; - __entry->func = rhp->func; - __entry->qlen_lazy = qlen_lazy; - __entry->qlen = qlen; - ), - - TP_printk("%s rhp=%p func=%pf %ld/%ld", - __entry->rcuname, __entry->rhp, __entry->func, - __entry->qlen_lazy, __entry->qlen) -); - -/* - * Tracepoint for the registration of a single RCU callback of the special - * kfree() form. The first argument is the RCU type, the second argument - * is a pointer to the RCU callback, the third argument is the offset - * of the callback within the enclosing RCU-protected data structure, - * the fourth argument is the number of lazy callbacks queued, and the - * fifth argument is the total number of callbacks queued. - */ -TRACE_EVENT(rcu_kfree_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, - long qlen_lazy, long qlen), - - TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(void *, rhp) - __field(unsigned long, offset) - __field(long, qlen_lazy) - __field(long, qlen) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->rhp = rhp; - __entry->offset = offset; - __entry->qlen_lazy = qlen_lazy; - __entry->qlen = qlen; - ), - - TP_printk("%s rhp=%p func=%ld %ld/%ld", - __entry->rcuname, __entry->rhp, __entry->offset, - __entry->qlen_lazy, __entry->qlen) -); - -/* - * Tracepoint for marking the beginning rcu_do_batch, performed to start - * RCU callback invocation. The first argument is the RCU flavor, - * the second is the number of lazy callbacks queued, the third is - * the total number of callbacks queued, and the fourth argument is - * the current RCU-callback batch limit. - */ -TRACE_EVENT(rcu_batch_start, - - TP_PROTO(char *rcuname, long qlen_lazy, long qlen, int blimit), - - TP_ARGS(rcuname, qlen_lazy, qlen, blimit), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(long, qlen_lazy) - __field(long, qlen) - __field(int, blimit) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->qlen_lazy = qlen_lazy; - __entry->qlen = qlen; - __entry->blimit = blimit; - ), - - TP_printk("%s CBs=%ld/%ld bl=%d", - __entry->rcuname, __entry->qlen_lazy, __entry->qlen, - __entry->blimit) -); - -/* - * Tracepoint for the invocation of a single RCU callback function. - * The first argument is the type of RCU, and the second argument is - * a pointer to the RCU callback itself. - */ -TRACE_EVENT(rcu_invoke_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp), - - TP_ARGS(rcuname, rhp), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(void *, rhp) - __field(void *, func) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->rhp = rhp; - __entry->func = rhp->func; - ), - - TP_printk("%s rhp=%p func=%pf", - __entry->rcuname, __entry->rhp, __entry->func) -); - -/* - * Tracepoint for the invocation of a single RCU callback of the special - * kfree() form. The first argument is the RCU flavor, the second - * argument is a pointer to the RCU callback, and the third argument - * is the offset of the callback within the enclosing RCU-protected - * data structure. - */ -TRACE_EVENT(rcu_invoke_kfree_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset), - - TP_ARGS(rcuname, rhp, offset), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(void *, rhp) - __field(unsigned long, offset) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->rhp = rhp; - __entry->offset = offset; - ), - - TP_printk("%s rhp=%p func=%ld", - __entry->rcuname, __entry->rhp, __entry->offset) -); - -/* - * Tracepoint for exiting rcu_do_batch after RCU callbacks have been - * invoked. The first argument is the name of the RCU flavor, - * the second argument is number of callbacks actually invoked, - * the third argument (cb) is whether or not any of the callbacks that - * were ready to invoke at the beginning of this batch are still - * queued, the fourth argument (nr) is the return value of need_resched(), - * the fifth argument (iit) is 1 if the current task is the idle task, - * and the sixth argument (risk) is the return value from - * rcu_is_callbacks_kthread(). - */ -TRACE_EVENT(rcu_batch_end, - - TP_PROTO(char *rcuname, int callbacks_invoked, - bool cb, bool nr, bool iit, bool risk), - - TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), - - TP_STRUCT__entry( - __field(char *, rcuname) - __field(int, callbacks_invoked) - __field(bool, cb) - __field(bool, nr) - __field(bool, iit) - __field(bool, risk) - ), - - TP_fast_assign( - __entry->rcuname = rcuname; - __entry->callbacks_invoked = callbacks_invoked; - __entry->cb = cb; - __entry->nr = nr; - __entry->iit = iit; - __entry->risk = risk; - ), - - TP_printk("%s CBs-invoked=%d idle=%c%c%c%c", - __entry->rcuname, __entry->callbacks_invoked, - __entry->cb ? 'C' : '.', - __entry->nr ? 'S' : '.', - __entry->iit ? 'I' : '.', - __entry->risk ? 'R' : '.') -); - -/* - * Tracepoint for rcutorture readers. The first argument is the name - * of the RCU flavor from rcutorture's viewpoint and the second argument - * is the callback address. - */ -TRACE_EVENT(rcu_torture_read, - - TP_PROTO(char *rcutorturename, struct rcu_head *rhp), - - TP_ARGS(rcutorturename, rhp), - - TP_STRUCT__entry( - __field(char *, rcutorturename) - __field(struct rcu_head *, rhp) - ), - - TP_fast_assign( - __entry->rcutorturename = rcutorturename; - __entry->rhp = rhp; - ), - - TP_printk("%s torture read %p", - __entry->rcutorturename, __entry->rhp) -); - -#else /* #ifdef CONFIG_RCU_TRACE */ - -#define trace_rcu_grace_period(rcuname, gpnum, gpevent) do { } while (0) -#define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, \ - qsmask) do { } while (0) -#define trace_rcu_preempt_task(rcuname, pid, gpnum) do { } while (0) -#define trace_rcu_unlock_preempted_task(rcuname, gpnum, pid) do { } while (0) -#define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \ - grplo, grphi, gp_tasks) do { } \ - while (0) -#define trace_rcu_fqs(rcuname, gpnum, cpu, qsevent) do { } while (0) -#define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0) -#define trace_rcu_prep_idle(reason) do { } while (0) -#define trace_rcu_callback(rcuname, rhp, qlen_lazy, qlen) do { } while (0) -#define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen_lazy, qlen) \ - do { } while (0) -#define trace_rcu_batch_start(rcuname, qlen_lazy, qlen, blimit) \ - do { } while (0) -#define trace_rcu_invoke_callback(rcuname, rhp) do { } while (0) -#define trace_rcu_invoke_kfree_callback(rcuname, rhp, offset) do { } while (0) -#define trace_rcu_batch_end(rcuname, callbacks_invoked, cb, nr, iit, risk) \ - do { } while (0) -#define trace_rcu_torture_read(rcutorturename, rhp) do { } while (0) - -#endif /* #else #ifdef CONFIG_RCU_TRACE */ - -#endif /* _TRACE_RCU_H */ - -/* This part must be outside protection */ -#include <trace/define_trace.h> |