diff options
Diffstat (limited to 'driver/gator_trace_sched.c')
| -rw-r--r-- | driver/gator_trace_sched.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/driver/gator_trace_sched.c b/driver/gator_trace_sched.c index 0225bfb..dafacb7 100644 --- a/driver/gator_trace_sched.c +++ b/driver/gator_trace_sched.c @@ -1,5 +1,5 @@ /** - * Copyright (C) ARM Limited 2010-2011. All rights reserved. + * Copyright (C) ARM Limited 2010-2012. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -30,6 +30,8 @@ enum { STATE_WAIT_ON_OTHER }; +int gator_trace_sched_read(long long **buffer); + void emit_pid_name(struct task_struct* task) { bool found = false; @@ -50,7 +52,7 @@ void emit_pid_name(struct task_struct* task) } } - if (!found) { + if (!found && buffer_check_space(cpu, TIMER_BUF, TASK_COMM_LEN + 2 * MAXSIZE_PACK32 + MAXSIZE_PACK64)) { // shift values, new value always in front uint64_t oldv, newv = value; for (x = 0; x < TASK_MAX_COLLISIONS; x++) { @@ -128,7 +130,7 @@ static void probe_sched_write(int type, struct task_struct* task, struct task_st } // special case used during a suspend of the system -static void trace_sched_insert_idle(void* unused) +static void trace_sched_insert_idle(void) { unsigned long flags; uint64_t *schedBuf; @@ -170,11 +172,6 @@ GATOR_DEFINE_PROBE(sched_process_free, TP_PROTO(struct task_struct *p)) probe_sched_write(SCHED_PROCESS_FREE, p, 0); } -int gator_trace_sched_init(void) -{ - return 0; -} - static int register_scheduler_tracepoints(void) { // register tracepoints if (GATOR_REGISTER_TRACE(sched_switch)) @@ -217,6 +214,12 @@ int gator_trace_sched_start(void) return register_scheduler_tracepoints(); } +int gator_trace_sched_offline(long long **buffer) +{ + trace_sched_insert_idle(); + return gator_trace_sched_read(buffer); +} + static void unregister_scheduler_tracepoints(void) { GATOR_UNREGISTER_TRACE(sched_switch); |