Justin Wang

@sean-mcmanus (picking up from @jsimonlane's report with the same behavior) C/C++ Extension v1.11.5 C/C++ Extension Pack v1.2.0 Linux (remote VS Code over SSH from a Windows VS Code instance) The...

@sean-mcmanus `cpptools-srv` is the culprit as far as high CPU usage goes - not 100% clear on the relationship between the two processes, though. > there is no "sending compilation...

``` Thread 25 (Thread 0x7fa2de7fc700 (LWP 932576)): #0 futex_wait_cancelable (private=0, expected=0, futex_word=0x7ffc5c7b3e44) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x7ffc5c7b3df0, cond=0x7ffc5c7b3e18) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x7ffc5c7b3e18, mutex=0x7ffc5c7b3df0) at pthread_cond_wait.c:655 #3 0x0000000000e9eb9c in...

> Are you able to repro the bug with only 1 cpp file Actually, I don't think we've been able to repro this with only 1 cpp file open -...

This should be a thread dump for a hung `cpptools-srv` process: ``` Thread 15 (Thread 0x7f16cc4e4700 (LWP 907452)): #0 0x000000000085d5aa in find_symbol(char const*, unsigned long, a_symbol_locator*) () #1 0x000000000086a989 in...

From what I can tell, countless LWP (lightweight processes?) are getting spun up and down. They seem to be spinning over similar operations over different files - for example: ```C++...

I'm just pausing the `cpptools-srv` proc at random intervals and grabbing the transient LWP/thread on top - this seems to be what's happening when I leave VS Code to "idle"...

> Pls set `"shortenCommandLine": "none"` as a workaround. Yes, this works pretty well 😄 However, the reason the `shortenCommandLine` is getting triggered is because the CLI is getting long, and...