Got High- CPU Usage Problems? Proc. Dump 'Em! Executive Summary: Microsoft provides several useful free tools for troubleshooting high- CPU–usage issues on Windows systems: adplus. Running May Give You More Time Than You Put In. If you think running is a waste of time, you might want to reconsider. A new study suggests that. Is chrome using up too much of your CPU and Ram memory resources. Follows this guide to troubleshoot Chrome's High CPU and memory usage. DISABLE SUPERFETCH/PREFETCH! So set them both to '0' In Windows 10 Disable SfTracingState too so find that in the registry. Solving this type of problem. Xperf, and Process Explorer. The latest addition to this list of tools is Proc. Dump (procdump. exe), a Windows Sysinternals tool written by Microsoft Technical Fellow Mark Russinovich, directly in response to requests from Microsoft's Global Escalation Services team for a tool to capture a dump file of a process. Proc. Dump lets you configure how much CPU a process should consume and for how long a time period before creating a dump of the process—so you don't have to be physically at a console issuing commands to run the process and capture the dump. Learn how to use Proc. Dump in a typical high- CPU situation to flag and get detailed information about a CPU- hogging process. On the Microsoft support team, one of the most common customer problems we encounter is systems experiencing high CPU usage. Solving this type of problem is often challenging because you must first determine which process or activity is responsible for consuming so much CPU time, then determine the best approach for capturing the process's activity during the problem period so that it can be analyzed for root cause. Fortunately, Microsoft provides tools available to assist with high- CPU issues. I'll give a brief rundown of these tools, then introduce you to a brand- new free tool called Proc. Dump that will save you much time and hassle the next time you run into a high- CPU problem. High- CPU Usage Troubleshooting Tools. Until now, we've relied mainly upon these tools to help troubleshoot high- CPU problems on Windows systems: Adplus. This VBscript tool comes with the Debugging Tools for Windows (www. CPU occurrence. However, one of the drawbacks of Adplus is that a person usually has to be at the console to physically issue the Adplus command to dump out the process when the CPU spike occurs. Xperf. This is a super tool for collecting process activity during a high CPU spike, and it doesn't require anyone to be physically at the console to monitor for high - CPU occurrences. So collecting and logging all of a system's activity for a problem that may occur once in 2. I highly recommend that you use Process Explorer, which you can download at technet. CPU to determine what components are involved, so that you can update them before calling tech support. If you need to investigate the problem further, though, you'll need a tool that actually dumps out the process during the high- CPU spike; Process Explorer can't do this. Procdump. exe was created after one of the escalation engineers in my group asked Mark if he would consider adding functionality to Process Explorer to allow for capturing a dump file of a process to help troubleshoot those pesky high- CPU problems. After some thought, it was determined that the best approach was to write a new tool, and Proc. Dump was born. Proc. Dump lets you configure how much CPU a process should consume and for how long a time period before Proc. Dump creates a dump of the process. What this means is that you don't have to be at the console ready to issue commands the next time the process spikes the CPU. And you get to determine at what threshold the process can consume the CPU before Proc. Dump captures a dump of the spiking process. So, for example, you notice the wmiprvse. WMI Provider Host process) spikes the CPU to 9. The following command will dump out the spooler process three times when the CPU for wmiprvse. The - c option is the CPU threshold parameter that you can configure. The - s option tells Proc. Dump how long the service needs to consume the CPU at the threshold you configured before a dump is generated. The - n option tells Proc. Dump how many dumps to create, and wmiprvse. Proc. Dump to monitor. So, for the previous command line, the WMI Provider Host service will be dumped out each time the process exceeds 8. CPU for three seconds or more and store the dump files in the c: \procdumps directory. The name of the dump file will be in the format PROCESSNAME. The other great feature of Proc. Dump is that the thread that consumed the highest amount of CPU is baked into the dump file, so that when the dump file is opened in the debugger, you get a message indicating which thread consumed the CPU, as Figure 1 shows. Figure 1: Proc. Dump output showing high- CPU–consuming thread. Now there's no guesswork as to which thread was doing the work. From the screen in Figure 1, you can then issue the ~ (tilde) command in the debugger to find out what thread number corresponds to 0x. Figure 2 shows the command line and its output. As you can see, thread 2 (which includes 1. Figure 2: Output of ~ command. At the command prompt, run the following command to change the context to thread 2: 0: 0. The command's output in Figure 3 shows that the wmiprvse. Enum. Dirs. NT) at the time this test was done, which makes sense since the WMI query I issued required the enumeration of all directories on my system. Figure 3: Wmiprvse. Ki. Fast. System. Call. Ret: 7. 6fb. Child. EBP Ret. Addr. Ki. Fast. System. Call. Ret. 01. 3bd. BES – Battle Encoder Shirase 1.7.5 & 1.6.3 for Windows 7/XP/2000. Free software that controls per-process CPU usage: an “active” software CPU cooler. Zw. Open. File+0xc. Find. First. File. Ex. W+0x. 1c. 90. Find. First. File. W+0x. 16. 01. 3bdd. CImplement. The - x option works with the Image File Execution Options registry entry. The command example in Figure 4, which specifies - x with the lsass. CPU to 9. 0 percent. Figure 4: Using Proc. Dump with the - x option. HKLM\SOFTWARE\Microsoft\Windows NT\Current. Version\Image File Execution Options\LSASS. EXEDebugger = c: \procdump\procdump. Now the next time lsass. Proc. Dump will monitor the process with the configured parameters. Why is this so cool? Because there are processes that could spike immediately on startup and freeze your whole system, and you can't log on to the console until the CPU has settled down—but by that time, there's nothing to dump out because the high CPU has gone down. Using Proc. Dump with the - x option lets you capture information about these spikes when they happen. More Help for High- CPU Issues. I predict the Proc. Dump will be the tool of choice for most high- CPU issues and will change the way we attack such problems and how fast they're resolved. Proc. Dump was built as a grassroots effort initiated by Microsoft's Global Escalation Services team. A special thanks to Ming Chen, the senior escalation engineer who first approached Mark and got the ball rolling; Jeff Daily, a principal escalation engineer, for his leadership and guidance; and of course, a huge thanks to Mark Russinovich, a Microsoft technical fellow, for taking our input so frequently and making changes so fast.
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