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8005849: JEP 167: Event-Based JVM Tracing

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Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
This commit is contained in:
Staffan Larsen 2013-06-10 11:30:51 +02:00
parent 6b2c468c35
commit 718f3252f6
195 changed files with 7628 additions and 1484 deletions
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31
hotspot/src/os/linux/vm/os_linux.hpp
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@ -210,35 +210,6 @@ class Linux {
// LinuxThreads work-around for 6292965
static int safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime);
// Linux suspend/resume support - this helper is a shadow of its former
// self now that low-level suspension is barely used, and old workarounds
// for LinuxThreads are no longer needed.
class SuspendResume {
private:
volatile int _suspend_action;
volatile jint _state;
public:
// values for suspend_action:
enum {
SR_NONE = 0x00,
SR_SUSPEND = 0x01, // suspend request
SR_CONTINUE = 0x02, // resume request
SR_SUSPENDED = 0x20 // values for _state: + SR_NONE
};
SuspendResume() { _suspend_action = SR_NONE; _state = SR_NONE; }
int suspend_action() const { return _suspend_action; }
void set_suspend_action(int x) { _suspend_action = x; }
// atomic updates for _state
inline void set_suspended();
inline void clear_suspended();
bool is_suspended() { return _state & SR_SUSPENDED; }
};
private:
typedef int (*sched_getcpu_func_t)(void);
typedef int (*numa_node_to_cpus_func_t)(int node, unsigned long *buffer, int bufferlen);
@ -333,6 +304,6 @@ class PlatformParker : public CHeapObj<mtInternal> {
status = pthread_mutex_init (_mutex, NULL);
assert_status(status == 0, status, "mutex_init");
}
} ;
};
#endif // OS_LINUX_VM_OS_LINUX_HPP