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Subject[patch 10/14] x86, ds: add ds selftests for task tracing
Add selftests for tracing the current task.


Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
---

Index: git-tip/arch/x86/kernel/ds_selftest.c
===================================================================
--- git-tip.orig/arch/x86/kernel/ds_selftest.c 2009-03-26 10:39:24.000000000 +0100
+++ git-tip/arch/x86/kernel/ds_selftest.c 2009-03-26 10:39:25.000000000 +0100
@@ -284,6 +284,7 @@ int ds_selftest_bts(void)
{
struct ds_selftest_bts_conf conf;
unsigned char buffer[BUFFER_SIZE];
+ unsigned long irq;
int cpu;

printk(KERN_INFO "[ds] bts selftest...");
@@ -321,6 +322,28 @@ int ds_selftest_bts(void)
goto out;
}

+ conf.suspend = ds_suspend_bts_wrap;
+ conf.resume = ds_resume_bts_wrap;
+ conf.tracer =
+ ds_request_bts_task(current, buffer, BUFFER_SIZE,
+ NULL, (size_t)-1, BTS_KERNEL);
+ ds_selftest_bts_cpu(&conf);
+ ds_release_bts(conf.tracer);
+ if (conf.error < 0)
+ goto out;
+
+ conf.suspend = ds_suspend_bts_noirq;
+ conf.resume = ds_resume_bts_noirq;
+ conf.tracer =
+ ds_request_bts_task(current, buffer, BUFFER_SIZE,
+ NULL, (size_t)-1, BTS_KERNEL);
+ local_irq_save(irq);
+ ds_selftest_bts_cpu(&conf);
+ ds_release_bts_noirq(conf.tracer);
+ local_irq_restore(irq);
+ if (conf.error < 0)
+ goto out;
+
conf.error = 0;
out:
put_online_cpus();
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