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Introduce names for ZTHRs

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When debugging issues or generally analyzing the runtime of
a system it would be nice to be able to tell the different
ZTHRs running by name rather than having to analyze their
stack.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Co-authored-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #10630
This commit is contained in:
Serapheim Dimitropoulos
2020-07-29 09:43:33 -07:00
committed by GitHub
parent 5678d3f593
commit 843e9ca2e1
8 changed files with 43 additions and 23 deletions
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include/os/freebsd/spl/sys/proc.h
+6 -3
View File
@@ -65,7 +65,7 @@ extern struct proc *zfsproc;
static __inline kthread_t *
do_thread_create(caddr_t stk, size_t stksize, void (*proc)(void *), void *arg,
size_t len, proc_t *pp, int state, pri_t pri)
size_t len, proc_t *pp, int state, pri_t pri, const char *name)
{
kthread_t *td = NULL;
int error;
@@ -78,7 +78,7 @@ do_thread_create(caddr_t stk, size_t stksize, void (*proc)(void *), void *arg,
ASSERT(state == TS_RUN);
error = kproc_kthread_add(proc, arg, &zfsproc, &td,
RFSTOPPED, stksize / PAGE_SIZE, "zfskern", "solthread %p", proc);
RFSTOPPED, stksize / PAGE_SIZE, "zfskern", "%s", name);
if (error == 0) {
thread_lock(td);
sched_prio(td, pri);
@@ -90,8 +90,11 @@ do_thread_create(caddr_t stk, size_t stksize, void (*proc)(void *), void *arg,
return (td);
}
#define thread_create_named(name, stk, stksize, proc, arg, len, \
pp, state, pri) \
do_thread_create(stk, stksize, proc, arg, len, pp, state, pri, name)
#define thread_create(stk, stksize, proc, arg, len, pp, state, pri) \
do_thread_create(stk, stksize, proc, arg, len, pp, state, pri)
do_thread_create(stk, stksize, proc, arg, len, pp, state, pri, #proc)
#define thread_exit() kthread_exit()
int uread(proc_t *, void *, size_t, uintptr_t);