Re: Selective system profiling

2007-06-21 Thread John Sigler
John Sigler wrote: Hello everyone, Here's my situation: I'm pushing data in chunks of 1316 bytes to a PCI device at 38 Mbit/s. In other words, I write 1316 bytes to the device every 277 microseconds. I've noticed that the latency of this operation varies immensely. Most of the time it comple

Selective system profiling

2007-06-19 Thread John Sigler
Hello everyone, Here's my situation: I'm pushing data in chunks of 1316 bytes to a PCI device at 38 Mbit/s. In other words, I write 1316 bytes to the device every 277 microseconds. I've noticed that the latency of this operation varies immensely. Most of the time it completes in 50-80 microsec