• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号
登陆 注册

C++ softirq_count函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中softirq_count函数的典型用法代码示例。如果您正苦于以下问题：C++ softirq_count函数的具体用法？C++ softirq_count怎么用？C++ softirq_count使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了softirq_count函数的16个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: local_bh_enable

void local_bh_enable(void)
{
#ifdef CONFIG_TRACE_IRQFLAGS
	unsigned long flags;

	WARN_ON_ONCE(in_irq());
#endif
	WARN_ON_ONCE(irqs_disabled());

#ifdef CONFIG_TRACE_IRQFLAGS
	local_irq_save(flags);
#endif
	/*
	 * Are softirqs going to be turned on now:
	 */
	if (softirq_count() == SOFTIRQ_OFFSET)
		trace_softirqs_on((unsigned long)__builtin_return_address(0));
	/*
	 * Keep preemption disabled until we are done with
	 * softirq processing:
 	 */
 	sub_preempt_count(SOFTIRQ_OFFSET - 1);

	if (unlikely(!in_interrupt() && local_softirq_pending()))
		do_softirq();

	dec_preempt_count();
#ifdef CONFIG_TRACE_IRQFLAGS
	local_irq_restore(flags);
#endif
	preempt_check_resched();
}
开发者ID:WiseMan787，项目名称:ralink_sdk，代码行数:32，代码来源:softirq.c


示例2: __local_bh_enable_ip

void __local_bh_enable_ip(unsigned long ip, unsigned int cnt)
{
	WARN_ON_ONCE(in_irq() || irqs_disabled());
#ifdef CONFIG_TRACE_IRQFLAGS
	local_irq_disable();
#endif
	/*
	 * Are softirqs going to be turned on now:
	 */
	if (softirq_count() == SOFTIRQ_DISABLE_OFFSET)
		trace_softirqs_on(ip);
	/*
	 * Keep preemption disabled until we are done with
	 * softirq processing:
	 */
	preempt_count_sub(cnt - 1);

	if (unlikely(!in_interrupt() && local_softirq_pending())) {
		/*
		 * Run softirq if any pending. And do it in its own stack
		 * as we may be calling this deep in a task call stack already.
		 */
		do_softirq();
	}

	preempt_count_dec();
#ifdef CONFIG_TRACE_IRQFLAGS
	local_irq_enable();
#endif
	preempt_check_resched();
}
开发者ID:SutterCain，项目名称:linux-misc，代码行数:31，代码来源:softirq.c


示例3: ramster_check_irq_counts

/* leave me here to see if it catches a weird crash */
static void ramster_check_irq_counts(void)
{
	static int last_hardirq_cnt, last_softirq_cnt, last_preempt_cnt;
	int cur_hardirq_cnt, cur_softirq_cnt, cur_preempt_cnt;

	cur_hardirq_cnt = hardirq_count() >> HARDIRQ_SHIFT;
	if (cur_hardirq_cnt > last_hardirq_cnt) {
		last_hardirq_cnt = cur_hardirq_cnt;
		if (!(last_hardirq_cnt&(last_hardirq_cnt-1)))
			pr_err("RAMSTER TESTING RRP hardirq_count=%d\n",
				last_hardirq_cnt);
	}
	cur_softirq_cnt = softirq_count() >> SOFTIRQ_SHIFT;
	if (cur_softirq_cnt > last_softirq_cnt) {
		last_softirq_cnt = cur_softirq_cnt;
		if (!(last_softirq_cnt&(last_softirq_cnt-1)))
			pr_err("RAMSTER TESTING RRP softirq_count=%d\n",
				last_softirq_cnt);
	}
	cur_preempt_cnt = preempt_count() & PREEMPT_MASK;
	if (cur_preempt_cnt > last_preempt_cnt) {
		last_preempt_cnt = cur_preempt_cnt;
		if (!(last_preempt_cnt&(last_preempt_cnt-1)))
			pr_err("RAMSTER TESTING RRP preempt_count=%d\n",
				last_preempt_cnt);
	}
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:28，代码来源:r2net.c


示例4: __local_bh_disable_ip

void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
{
	unsigned long flags;

	WARN_ON_ONCE(in_irq());

	raw_local_irq_save(flags);
	/*
	 * The preempt tracer hooks into preempt_count_add and will break
	 * lockdep because it calls back into lockdep after SOFTIRQ_OFFSET
	 * is set and before current->softirq_enabled is cleared.
	 * We must manually increment preempt_count here and manually
	 * call the trace_preempt_off later.
	 */
	__preempt_count_add(cnt);
	/*
	 * Were softirqs turned off above:
	 */
	if (softirq_count() == (cnt & SOFTIRQ_MASK))
		trace_softirqs_off(ip);
	raw_local_irq_restore(flags);

	if (preempt_count() == cnt) {
#ifdef CONFIG_DEBUG_PREEMPT
		current->preempt_disable_ip = get_lock_parent_ip();
#endif
		trace_preempt_off(CALLER_ADDR0, get_lock_parent_ip());
	}
}
开发者ID:h4ck3rm1k3，项目名称:linux，代码行数:29，代码来源:softirq.c


示例5: dotest

static void dotest(void (*testcase_fn)(void), int expected, int lockclass_mask)
{
	unsigned long saved_preempt_count = preempt_count();
	int expected_failure = 0;
#if defined(CONFIG_DEBUG_PREEMPT) && defined(CONFIG_DEBUG_RT_MUTEXES)
        int saved_lock_count = current->lock_count;
#endif

	WARN_ON(irqs_disabled());

	testcase_fn();
	/*
	 * Filter out expected failures:
	 */
#ifndef CONFIG_PROVE_LOCKING
	if ((lockclass_mask & LOCKTYPE_SPIN) && debug_locks != expected)
		expected_failure = 1;
	if ((lockclass_mask & LOCKTYPE_RWLOCK) && debug_locks != expected)
		expected_failure = 1;
	if ((lockclass_mask & LOCKTYPE_MUTEX) && debug_locks != expected)
		expected_failure = 1;
	if ((lockclass_mask & LOCKTYPE_RWSEM) && debug_locks != expected)
		expected_failure = 1;
#endif
	if (debug_locks != expected) {
		if (expected_failure) {
			expected_testcase_failures++;
			printk("failed|");
		} else {
			unexpected_testcase_failures++;

			printk("FAILED|");
			dump_stack();
		}
	} else {
		testcase_successes++;
		printk("  ok  |");
	}
	testcase_total++;

	if (debug_locks_verbose)
		printk(" lockclass mask: %x, debug_locks: %d, expected: %d\n",
			lockclass_mask, debug_locks, expected);
	/*
	 * Some tests (e.g. double-unlock) might corrupt the preemption
	 * count, so restore it:
	 */
	preempt_count() = saved_preempt_count;
#ifdef CONFIG_TRACE_IRQFLAGS
	if (softirq_count())
		current->softirqs_enabled = 0;
	else
		current->softirqs_enabled = 1;
#endif

	reset_locks();
#if defined(CONFIG_DEBUG_PREEMPT) && defined(CONFIG_DEBUG_RT_MUTEXES)
        current->lock_count = saved_lock_count;
#endif
}
开发者ID:mrtos，项目名称:Logitech-Revue，代码行数:60，代码来源:locking-selftest.c


示例6: _local_bh_enable_ip

static inline void _local_bh_enable_ip(unsigned long ip)
{
	WARN_ON_ONCE(in_irq() || irqs_disabled());
#ifdef CONFIG_TRACE_IRQFLAGS
	local_irq_disable();
#endif
	/*
	 * Are softirqs going to be turned on now:
	 */
	if (softirq_count() == SOFTIRQ_DISABLE_OFFSET)
		trace_softirqs_on(ip);
	/*
	 * Keep preemption disabled until we are done with
	 * softirq processing:
 	 */
	sub_preempt_count(SOFTIRQ_DISABLE_OFFSET - 1);

	if (unlikely(!in_interrupt() && local_softirq_pending()))
		do_softirq();

	dec_preempt_count();
#ifdef CONFIG_TRACE_IRQFLAGS
	local_irq_enable();
#endif
	preempt_check_resched();
}
开发者ID:adyjl，项目名称:DORIMANX_LG_STOCK_LP_KERNEL，代码行数:26，代码来源:softirq.c


示例7: __local_bh_disable

static void __local_bh_disable(unsigned long ip, unsigned int cnt)
{
	unsigned long flags;

	WARN_ON_ONCE(in_irq());

	raw_local_irq_save(flags);
	/*
	 * The preempt tracer hooks into add_preempt_count and will break
	 * lockdep because it calls back into lockdep after SOFTIRQ_OFFSET
	 * is set and before current->softirq_enabled is cleared.
	 * We must manually increment preempt_count here and manually
	 * call the trace_preempt_off later.
	 */
	add_preempt_count_notrace(cnt);
	/*
	 * Were softirqs turned off above:
	 */
	if (softirq_count() == cnt)
		trace_softirqs_off(ip);
	raw_local_irq_restore(flags);

	if (preempt_count() == cnt)
		trace_preempt_off(CALLER_ADDR0, get_parent_ip(CALLER_ADDR1));
}
开发者ID:adyjl，项目名称:DORIMANX_LG_STOCK_LP_KERNEL，代码行数:25，代码来源:softirq.c


示例8: __local_bh_enable

static void __local_bh_enable(unsigned int cnt)
{
	WARN_ON_ONCE(!irqs_disabled());

	if (softirq_count() == (cnt & SOFTIRQ_MASK))
		trace_softirqs_on(_RET_IP_);
	preempt_count_sub(cnt);
}
开发者ID:SutterCain，项目名称:linux-misc，代码行数:8，代码来源:softirq.c


示例9: _local_bh_enable

/*
 * Special-case - softirqs can safely be enabled in
 * cond_resched_softirq(), or by __do_softirq(),
 * without processing still-pending softirqs:
 */
void _local_bh_enable(void)
{
	WARN_ON_ONCE(in_irq());
	WARN_ON_ONCE(!irqs_disabled());

	if (softirq_count() == SOFTIRQ_OFFSET)
		trace_softirqs_on((unsigned long)__builtin_return_address(0));
	sub_preempt_count(SOFTIRQ_OFFSET);
}
开发者ID:WiseMan787，项目名称:ralink_sdk，代码行数:14，代码来源:softirq.c


示例10: __local_bh_enable

static void __local_bh_enable(unsigned int cnt)
{
	WARN_ON_ONCE(in_irq());
	WARN_ON_ONCE(!irqs_disabled());

	if (softirq_count() == cnt)
		trace_softirqs_on((unsigned long)__builtin_return_address(0));
	sub_preempt_count(cnt);
}
开发者ID:adyjl，项目名称:DORIMANX_LG_STOCK_LP_KERNEL，代码行数:9，代码来源:softirq.c


示例11: _local_bh_enable

/*
 * Special-case - softirqs can safely be enabled in
 * cond_resched_softirq(), or by __do_softirq(),
 * without processing still-pending softirqs:
 */
void _local_bh_enable(void)
{
#ifdef CONFIG_TRACE_IRQFLAGS
	WARN_ON_ONCE(in_irq());
#endif
	WARN_ON_ONCE(!irqs_disabled());

	if (softirq_count() == SOFTIRQ_OFFSET)
		trace_softirqs_on((unsigned long)__builtin_return_address(0));
	sub_preempt_count(SOFTIRQ_OFFSET);
}
开发者ID:Mr-Aloof，项目名称:wl500g，代码行数:16，代码来源:softirq.c


示例12: __local_bh_enable

void __local_bh_enable(void)
{
	WARN_ON_ONCE(in_irq());

	/*
	 * softirqs should never be enabled by __local_bh_enable(),
	 * it always nests inside local_bh_enable() sections:
	 */
	WARN_ON_ONCE(softirq_count() == SOFTIRQ_OFFSET);

	sub_preempt_count(SOFTIRQ_OFFSET);
}
开发者ID:WiseMan787，项目名称:ralink_sdk，代码行数:12，代码来源:softirq.c


示例13: __local_bh_disable

static void __local_bh_disable(unsigned long ip)
{
	unsigned long flags;

	WARN_ON_ONCE(in_irq());

	raw_local_irq_save(flags);
	add_preempt_count(SOFTIRQ_OFFSET);
	/*
	 * Were softirqs turned off above:
	 */
	if (softirq_count() == SOFTIRQ_OFFSET)
		trace_softirqs_off(ip);
	raw_local_irq_restore(flags);
}
开发者ID:Mr-Aloof，项目名称:wl500g，代码行数:15，代码来源:softirq.c


示例14: dotest

static void dotest(void (*testcase_fn)(void), int expected, int lockclass_mask)
{
	unsigned long saved_preempt_count = preempt_count();
	int expected_failure = 0;

	WARN_ON(irqs_disabled());

	testcase_fn();
#ifndef CONFIG_PROVE_LOCKING
	if ((lockclass_mask & LOCKTYPE_SPIN) && debug_locks != expected)
		expected_failure = 1;
	if ((lockclass_mask & LOCKTYPE_RWLOCK) && debug_locks != expected)
		expected_failure = 1;
	if ((lockclass_mask & LOCKTYPE_MUTEX) && debug_locks != expected)
		expected_failure = 1;
	if ((lockclass_mask & LOCKTYPE_RWSEM) && debug_locks != expected)
		expected_failure = 1;
#endif
	if (debug_locks != expected) {
		if (expected_failure) {
			expected_testcase_failures++;
			printk("failed|");
		} else {
			unexpected_testcase_failures++;

			printk("FAILED|");
			dump_stack();
		}
	} else {
		testcase_successes++;
		printk("  ok  |");
	}
	testcase_total++;

	if (debug_locks_verbose)
		printk(" lockclass mask: %x, debug_locks: %d, expected: %d\n",
			lockclass_mask, debug_locks, expected);
	preempt_count() = saved_preempt_count;
#ifdef CONFIG_TRACE_IRQFLAGS
	if (softirq_count())
		current->softirqs_enabled = 0;
	else
		current->softirqs_enabled = 1;
#endif

	reset_locks();
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:47，代码来源:locking-selftest.c


示例15: do_softirq

asmlinkage void do_softirq(void)
{
 	__u32 pending;
 	unsigned long flags;

 	if (in_interrupt())
 		return;

 	local_irq_save(flags);
 	pending = local_softirq_pending();
 	/* Switch to interrupt stack */
 	if (pending) {
		call_softirq();
		WARN_ON_ONCE(softirq_count());
	}
 	local_irq_restore(flags);
}
开发者ID:Einheri，项目名称:wl500g，代码行数:17，代码来源:irq.c


示例16: dotest

static void dotest(void (*testcase_fn)(void), int expected, int lockclass_mask)
{
	unsigned long saved_preempt_count = preempt_count();

	WARN_ON(irqs_disabled());

	testcase_fn();
	/*
	 * Filter out expected failures:
	 */
#ifndef CONFIG_PROVE_LOCKING
	if (expected == FAILURE && debug_locks) {
		expected_testcase_failures++;
		pr_cont("failed|");
	}
	else
#endif
	if (debug_locks != expected) {
		unexpected_testcase_failures++;
		pr_cont("FAILED|");

		dump_stack();
	} else {
		testcase_successes++;
		pr_cont("  ok  |");
	}
	testcase_total++;

	if (debug_locks_verbose)
		pr_cont(" lockclass mask: %x, debug_locks: %d, expected: %d\n",
			lockclass_mask, debug_locks, expected);
	/*
	 * Some tests (e.g. double-unlock) might corrupt the preemption
	 * count, so restore it:
	 */
	preempt_count_set(saved_preempt_count);
#ifdef CONFIG_TRACE_IRQFLAGS
	if (softirq_count())
		current->softirqs_enabled = 0;
	else
		current->softirqs_enabled = 1;
#endif

	reset_locks();
}
开发者ID:AshishNamdev，项目名称:linux，代码行数:45，代码来源:locking-selftest.c



注：本文中的softirq_count函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

鲜花
握手
雷人
路过
鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
More+
上一篇：
C++ softpipe_context函数代码示例发布时间：2022-05-30
下一篇：
C++ softfloat_raiseFlags函数代码示例发布时间：2022-05-30
热门推荐
More+
热门话题
More+
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服（服务时间 9:00～18:00）

在线QQ客服
地址：深圳市南山区西丽大学城创智工业园
电邮：jeky_zhao#qq.com
移动电话：139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap