The following procedure retrieves the argument value for collection, object, and REF instances of calls stored in the deferred transactions queue. This procedure assumes that the call number and transaction id are available. The user who creates the procedure must have EXECUTE privilege on the DBMS_DEFER_QUERY package and must have CREATE
Mar 11, 2014 · The Processor: %DPC Time metric shows the percentage of the time the processor spends on executing Deferred Procedure Calls (DPC). When a hardware interrupt happens, the interrupt handler can chose to put off some of the work for later by using a Deferred Procedure Call. Analyzing Deferred Procedure Calls Deferred procedure call problems come and go. 10/02/07. Join the Network World communities on Facebook and LinkedIn to comment on topics that are top of mind. FLIHs are also known as hard interrupt handlers or fast interrupt handlers, and SLIHs are also known as slow/soft interrupt handlers, or Deferred Procedure Calls in Windows. A FLIH implements at minimum platform-specific interrupt handling similar to interrupt routines. Nov 28, 2011 · Higher CPU usage due to Deferred Procedure Calls (DPC) Running Windows 7 64-bit and just downloaded the lastest updates from Microsoft last night. Now my CPU is sitting at 20% due to Deferred Procedure Calls and Interupt Service Providers running constantly according to the resource monitor. Thus, a sort of cooperative multitasking scheme exists for Deferred Procedure Calls. If any DPC runs for an excessive amount of time then other DPCs will be delayed by that amount of time. Consequently, the latency of a particular DPC is defined as the sum of the execution time of all DPCs queued in front of that DPC. Deferred Procedure Calls (DPCs) are a commonly used feature of Windows. Their uses are wide and varied, but they are most commonly used for what we typically refer to as "ISR completion" and are the underlying technology of timers in Windows.
Windows Performance Tools are designed for analysis of a wide range of performance problems including application start times, boot issues, deferred procedure calls and interrupt activity (DPCs and ISRs), system responsiveness issues, application resource usage, and interrupt storms.
Jun 11, 2011 · Description Deferred Procedure Calls and Interrupt Service Routines Status Running Threads - CPU 58 Average CPU 54.36 Image System PID 4 Description NT Kernel & System Status Running Threads 102 CPU 32 Average CPU 28.37 Between the two, the kernel and system interrupts are using an average of about 83% of the cpu.
Analyzing Deferred Procedure Calls Deferred procedure call problems come and go. 10/02/07. Join the Network World communities on Facebook and LinkedIn to comment on topics that are top of mind. FLIHs are also known as hard interrupt handlers or fast interrupt handlers, and SLIHs are also known as slow/soft interrupt handlers, or Deferred Procedure Calls in Windows. A FLIH implements at minimum platform-specific interrupt handling similar to interrupt routines. Nov 28, 2011 · Higher CPU usage due to Deferred Procedure Calls (DPC) Running Windows 7 64-bit and just downloaded the lastest updates from Microsoft last night. Now my CPU is sitting at 20% due to Deferred Procedure Calls and Interupt Service Providers running constantly according to the resource monitor. Thus, a sort of cooperative multitasking scheme exists for Deferred Procedure Calls. If any DPC runs for an excessive amount of time then other DPCs will be delayed by that amount of time. Consequently, the latency of a particular DPC is defined as the sum of the execution time of all DPCs queued in front of that DPC.