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Commit b6d69b22 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: smp2p: optimize the smp2p spinlock test"

parents ba0b7b66 ff5be043

arch/arm/mach-msm/smp2p_spinlock_test.c

+11 −2
Original line number Diff line number Diff line
@@ -43,6 +43,8 @@ struct rpm_spinlock_test { 
	uint32_t rpm_lock_count;

};



static uint32_t ut_remote_spinlock_run_time = 1;



/**

 * smp2p_ut_remote_spinlock_core - Verify remote spinlock.

 *
@@ -64,12 +66,12 @@ static void smp2p_ut_remote_spinlock_core(struct seq_file *s, int remote_pid, 
	struct mock_cb_data cb_in;

	unsigned long flags;

	unsigned n;

	unsigned test_num;

	bool have_lock;

	bool timeout;

	int failed_tmp;

	int spinlock_owner;

	remote_spinlock_t *smem_spinlock;

	unsigned long end;



	seq_printf(s, "Running %s for '%s' remote pid %d\n",

		   __func__, smp2p_pid_to_name(remote_pid), remote_pid);
@@ -149,7 +151,12 @@ static void smp2p_ut_remote_spinlock_core(struct seq_file *s, int remote_pid, 
		spinlock_owner = 0;

		test_request = 0x0;

		SMP2P_SET_RMT_CMD_TYPE_REQ(test_request);

		for (test_num = 0; !failed && test_num < 10000; ++test_num) {

		end = jiffies + (ut_remote_spinlock_run_time * HZ);

		if (ut_remote_spinlock_run_time < 300)

				seq_printf(s,

					"\tRunning test for %u seconds; on physical hardware please run >= 300 seconds by doing 'echo 300 >  ut_remote_spinlock_time'\n",

					ut_remote_spinlock_run_time);

		while (time_is_after_jiffies(end)) {

			/* try to acquire spinlock */

			if (use_trylock) {

				unsigned long j_start = jiffies;
@@ -482,6 +489,8 @@ static int __init smp2p_debugfs_init(void) 
		smp2p_ut_remote_spinlock_wcnss);

	smp2p_debug_create("ut_remote_spinlock_rpm",

		smp2p_ut_remote_spinlock_rpm);

	smp2p_debug_create_u32("ut_remote_spinlock_time",

		&ut_remote_spinlock_run_time);



	return 0;

}

arch/arm/mach-msm/smp2p_test.c

+9 −0
Original line number Diff line number Diff line
@@ -1198,6 +1198,15 @@ void smp2p_debug_create(const char *name, 
		pr_err("%s: unable to create file '%s'\n", __func__, name);

}



void smp2p_debug_create_u32(const char *name, uint32_t *value)

{

	struct dentry *file;



	file = debugfs_create_u32(name, S_IRUGO | S_IWUSR, dent, value);

	if (!file)

		pr_err("%s: unable to create file '%s'\n", __func__, name);

}



static int __init smp2p_debugfs_init(void)

{

	dent = debugfs_create_dir("smp2p_test", 0);

arch/arm/mach-msm/smp2p_test_common.h

+1 −0
Original line number Diff line number Diff line
@@ -134,6 +134,7 @@ struct mock_cb_data { 
};



void smp2p_debug_create(const char *name, void (*show)(struct seq_file *));

void smp2p_debug_create_u32(const char *name, uint32_t *value);

static inline int smp2p_test_notify(struct notifier_block *self,

	unsigned long event, void *data);