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Emit the rank too when switching Nanos6 tasks

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The task type and rank are allowed to emit PRV duplicates.
This commit is contained in:
Rodrigo Arias 2023-02-24 16:57:59 +01:00 committed by Rodrigo Arias Mallo
parent 31b2ef5ffe
commit 30761c266b
2 changed files with 18 additions and 7 deletions
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13
src/emu/nanos6/event.c
View File

@ -177,6 +177,7 @@ chan_task_switch(struct emu *emu,
struct task *prev, struct task *next)
{
struct nanos6_thread *th = EXT(emu->thread, '6');
struct proc *proc = emu->proc;
if (!prev || !next) {
err("cannot switch to or from a NULL task");
@ -203,19 +204,21 @@ chan_task_switch(struct emu *emu,
return -1;
}
/* No need to change the rank as we will switch to tasks from
* same thread */
if (chan_set(&th->m.ch[CH_TASKID], value_int64(next->id)) != 0) {
err("chan_set taskid failed");
return -1;
}
/* TODO: test when switching to another task with the same type. We
* should emit the same type state value as previous task. */
if (chan_set(&th->m.ch[CH_TYPE], value_int64(next->type->gid)) != 0) {
err("chan_set type failed");
return -1;
}
if (proc->rank >= 0) {
struct value vrank = value_int64(proc->rank + 1);
if (chan_set(&th->m.ch[CH_RANK], vrank) != 0) {
err("chan_set rank failed");
return -1;
}
}
return 0;
}

12
src/emu/nanos6/setup.c
View File

@ -30,6 +30,12 @@ static const int chan_stack[CH_MAX] = {
[CH_THREAD] = 1,
};
static const int chan_dup[CH_MAX] = {
[CH_TYPE] = 1,
[CH_RANK] = 1,
};
/* ----------------- pvt ------------------ */
static const int pvt_type[] = {
@ -96,9 +102,9 @@ static const struct pcf_value_label (*pcf_labels[CH_MAX])[] = {
static const long prv_flags[CH_MAX] = {
[CH_TASKID] = PRV_SKIPDUP,
[CH_TYPE] = PRV_SKIPDUP,
[CH_TYPE] = PRV_EMITDUP, /* Switch to task of same type */
[CH_SUBSYSTEM] = PRV_SKIPDUP,
[CH_RANK] = PRV_SKIPDUP,
[CH_RANK] = PRV_EMITDUP, /* Switch to task of same rank */
[CH_THREAD] = PRV_SKIPDUP,
};
@ -134,6 +140,7 @@ static const struct model_chan_spec th_chan = {
.prefix = model_name,
.ch_names = chan_name,
.ch_stack = chan_stack,
.ch_dup = chan_dup,
.pvt = &pvt_spec,
.track = th_track,
};
@ -143,6 +150,7 @@ static const struct model_chan_spec cpu_chan = {
.prefix = model_name,
.ch_names = chan_name,
.ch_stack = chan_stack,
.ch_dup = chan_dup,
.pvt = &pvt_spec,
.track = cpu_track,
};