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Store cpus in each loom

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This commit is contained in:
Rodrigo Arias 2021-08-02 21:13:03 +02:00
parent c8470fd2ea
commit 763bcf7c33
3 changed files with 99 additions and 73 deletions
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76
emu.h
View File

@ -99,36 +99,6 @@ struct ovni_eproc {
};
/* ----------------------- trace ------------------------ */
/* State of each loom on post-process */
struct ovni_loom {
size_t nprocs;
char name[HOST_NAME_MAX];
struct ovni_eproc proc[OVNI_MAX_PROC];
};
struct ovni_stream {
uint8_t *buf;
size_t size;
size_t offset;
int tid;
int thread;
int proc;
int loom;
int loaded;
int active;
struct ovni_ev *cur_ev;
uint64_t lastclock;
};
struct ovni_trace {
int nlooms;
struct ovni_loom loom[OVNI_MAX_LOOM];
int nstreams;
struct ovni_stream *stream;
};
/* ------------------ emulation ---------------- */
@ -149,6 +119,9 @@ struct ovni_cpu {
/* Physical id: as reported by lscpu(1) */
int phyid;
/* Global index for all CPUs */
int gindex;
enum ovni_cpu_state state;
size_t last_nthreads;
@ -158,8 +131,12 @@ struct ovni_cpu {
struct ovni_ethread *thread[OVNI_MAX_THR];
};
struct ovni_emu {
struct ovni_trace trace;
/* ----------------------- trace ------------------------ */
/* State of each loom on post-process */
struct ovni_loom {
size_t nprocs;
char name[HOST_NAME_MAX];
int max_ncpus;
int max_phyid;
@ -169,6 +146,34 @@ struct ovni_emu {
/* Virtual CPU */
struct ovni_cpu vcpu;
struct ovni_eproc proc[OVNI_MAX_PROC];
};
struct ovni_trace {
int nlooms;
struct ovni_loom loom[OVNI_MAX_LOOM];
int nstreams;
struct ovni_stream *stream;
};
struct ovni_stream {
uint8_t *buf;
size_t size;
size_t offset;
int tid;
int thread;
int proc;
int loom;
int loaded;
int active;
struct ovni_ev *cur_ev;
uint64_t lastclock;
};
struct ovni_emu {
struct ovni_trace trace;
struct ovni_stream *cur_stream;
struct ovni_ev *cur_ev;
@ -176,14 +181,15 @@ struct ovni_emu {
struct ovni_eproc *cur_proc;
struct ovni_ethread *cur_thread;
struct nosv_task *cur_task;
uint64_t lastclock;
int64_t delta_time;
/* Total counters */
int total_thread;
int total_proc;
struct nosv_task *cur_task;
int total_cpu;
};
/* Emulator function declaration */
@ -198,7 +204,7 @@ void hook_pre_nosv(struct ovni_emu *emu);
void hook_emit_nosv(struct ovni_emu *emu);
void hook_post_nosv(struct ovni_emu *emu);
struct ovni_cpu *emu_get_cpu(struct ovni_emu *emu, int cpuid);
struct ovni_cpu *emu_get_cpu(struct ovni_loom *loom, int cpuid);
struct ovni_ethread *emu_get_thread(struct ovni_emu *emu, int tid);

90
emu_ovni.c
View File

@ -5,16 +5,16 @@
#include <assert.h>
struct ovni_cpu *
emu_get_cpu(struct ovni_emu *emu, int cpuid)
emu_get_cpu(struct ovni_loom *loom, int cpuid)
{
assert(cpuid < OVNI_MAX_CPU);
if(cpuid < 0)
{
return &emu->vcpu;
return &loom->vcpu;
}
return &emu->cpu[cpuid];
return &loom->cpu[cpuid];
}
int
@ -66,14 +66,14 @@ emu_cpu_remove_thread(struct ovni_cpu *cpu, struct ovni_ethread *thread)
static void
print_threads_state(struct ovni_emu *emu)
print_threads_state(struct ovni_loom *loom)
{
struct ovni_cpu *cpu;
int i, j;
for(i=0; i<emu->ncpus; i++)
for(i=0; i<loom->ncpus; i++)
{
cpu = &emu->cpu[i];
cpu = &loom->cpu[i];
dbg("-- cpu %d runs %d threads:", i, cpu->nthreads);
for(j=0; j<cpu->nthreads; j++)
@ -83,10 +83,10 @@ print_threads_state(struct ovni_emu *emu)
dbg("\n");
}
dbg("-- vcpu runs %d threads:", emu->vcpu.nthreads);
for(j=0; j<emu->vcpu.nthreads; j++)
dbg("-- vcpu runs %d threads:", loom->vcpu.nthreads);
for(j=0; j<loom->vcpu.nthreads; j++)
{
dbg(" %d", emu->vcpu.thread[j]->tid);
dbg(" %d", loom->vcpu.thread[j]->tid);
}
dbg("\n");
}
@ -103,7 +103,7 @@ ev_thread_execute(struct ovni_emu *emu)
cpuid = emu->cur_ev->payload.i32[0];
//dbg("thread %d runs in cpuid %d\n", emu->cur_thread->tid,
// cpuid);
cpu = emu_get_cpu(emu, cpuid);
cpu = emu_get_cpu(emu->cur_loom, cpuid);
emu->cur_thread->state = TH_ST_RUNNING;
emu->cur_thread->cpu = cpu;
@ -190,7 +190,7 @@ ev_affinity_set(struct ovni_emu *emu)
assert(emu->cur_thread->cpu);
/* Migrate current cpu to the one at cpuid */
newcpu = emu_get_cpu(emu, cpuid);
newcpu = emu_get_cpu(emu->cur_loom, cpuid);
emu_cpu_remove_thread(emu->cur_thread->cpu, emu->cur_thread);
emu_cpu_add_thread(newcpu, emu->cur_thread);
@ -216,7 +216,7 @@ ev_affinity_remote(struct ovni_emu *emu)
assert(thread->state == TH_ST_PAUSED);
assert(thread->cpu);
newcpu = emu_get_cpu(emu, cpuid);
newcpu = emu_get_cpu(emu->cur_loom, cpuid);
/* It must not be running in any of the cpus */
assert(emu_cpu_find_thread(thread->cpu, thread) == -1);
@ -247,7 +247,9 @@ static void
ev_cpu_count(struct ovni_emu *emu)
{
int i, max_ncpus, max_phyid;
struct ovni_loom *loom;
loom = emu->cur_loom;
max_ncpus = emu->cur_ev->payload.i32[0];
max_phyid = emu->cur_ev->payload.i32[1];
@ -256,38 +258,42 @@ ev_cpu_count(struct ovni_emu *emu)
for(i=0; i<OVNI_MAX_CPU; i++)
{
emu->cpu[i].state = CPU_ST_UNKNOWN;
emu->cpu[i].i = -1;
emu->cpu[i].phyid = -1;
loom->cpu[i].state = CPU_ST_UNKNOWN;
loom->cpu[i].i = -1;
loom->cpu[i].phyid = -1;
loom->cpu[i].gindex = -1;
}
emu->ncpus = 0;
emu->max_ncpus = max_ncpus;
emu->max_phyid = max_phyid;
loom->ncpus = 0;
loom->max_ncpus = max_ncpus;
loom->max_phyid = max_phyid;
}
static void
ev_cpu_id(struct ovni_emu *emu)
{
int i, phyid;
struct ovni_loom *loom;
loom = emu->cur_loom;
i = emu->cur_ev->payload.i32[0];
phyid = emu->cur_ev->payload.i32[1];
/* The logical id must match our index */
assert(i == emu->ncpus);
assert(i == loom->ncpus);
assert(0 <= phyid && phyid <= emu->max_phyid);
assert(0 <= phyid && phyid <= loom->max_phyid);
assert(emu->cpu[i].state == CPU_ST_UNKNOWN);
assert(loom->cpu[i].state == CPU_ST_UNKNOWN);
emu->cpu[emu->ncpus].state = CPU_ST_READY;
emu->cpu[emu->ncpus].i = i;
emu->cpu[emu->ncpus].phyid = phyid;
loom->cpu[loom->ncpus].state = CPU_ST_READY;
loom->cpu[loom->ncpus].i = i;
loom->cpu[loom->ncpus].phyid = phyid;
loom->cpu[loom->ncpus].gindex = emu->total_cpu++;
dbg("new cpu %d at phyid=%d\n", i, phyid);
emu->ncpus++;
loom->ncpus++;
}
@ -346,37 +352,42 @@ static void
emit_thread_count(struct ovni_emu *emu)
{
int i, n, row, pid, tid;
struct ovni_loom *loom;
loom = emu->cur_loom;
/* TODO: Use a table to quickly access the updated elements */
/* Check every CPU looking for a change in nthreads */
for(i=0; i<emu->ncpus; i++)
for(i=0; i<loom->ncpus; i++)
{
if(emu->cpu[i].last_nthreads != emu->cpu[i].nthreads)
if(loom->cpu[i].last_nthreads != loom->cpu[i].nthreads)
{
/* Start at 1 */
row = i + 1;
n = emu->cpu[i].nthreads;
n = loom->cpu[i].nthreads;
prv_ev_row(emu, row, PTC_NTHREADS, n);
pid = n == 1 ? emu->cpu[i].thread[0]->proc->pid : 1;
pid = n == 1 ? loom->cpu[i].thread[0]->proc->pid : 1;
prv_ev_row(emu, row, PTC_PROC_PID, pid);
tid = n == 1 ? emu->cpu[i].thread[0]->tid : 1;
tid = n == 1 ? loom->cpu[i].thread[0]->tid : 1;
prv_ev_row(emu, row, PTC_THREAD_TID, tid);
}
}
/* Same with the virtual CPU */
if(emu->vcpu.last_nthreads != emu->vcpu.nthreads)
if(loom->vcpu.last_nthreads != loom->vcpu.nthreads)
{
/* Place the virtual CPU after the physical CPUs */
row = emu->ncpus + 1;
n = emu->vcpu.nthreads;
row = loom->ncpus + 1;
n = loom->vcpu.nthreads;
prv_ev_row(emu, row, PTC_NTHREADS, n);
pid = n == 1 ? emu->vcpu.thread[0]->proc->pid : 1;
pid = n == 1 ? loom->vcpu.thread[0]->proc->pid : 1;
prv_ev_row(emu, row, PTC_PROC_PID, pid);
tid = n == 1 ? emu->vcpu.thread[0]->tid : 1;
tid = n == 1 ? loom->vcpu.thread[0]->tid : 1;
prv_ev_row(emu, row, PTC_THREAD_TID, tid);
}
}
@ -412,11 +423,14 @@ void
hook_post_ovni(struct ovni_emu *emu)
{
int i;
struct ovni_loom *loom;
loom = emu->cur_loom;
/* Update last_nthreads in the CPUs */
for(i=0; i<emu->ncpus; i++)
emu->cpu[i].last_nthreads = emu->cpu[i].nthreads;
for(i=0; i<loom->ncpus; i++)
loom->cpu[i].last_nthreads = loom->cpu[i].nthreads;
emu->vcpu.last_nthreads = emu->vcpu.nthreads;
loom->vcpu.last_nthreads = loom->vcpu.nthreads;
}

6
prv.c
View File

@ -29,3 +29,9 @@ prv_ev_autocpu(struct ovni_emu *emu, int type, int val)
prv_ev_row(emu, row, type, val);
}
void
prv_header(struct ovni_emu *emu, int nrows)
{
printf("#Paraver (19/01/38 at 03:14):00000000000000000000_ns:0:1:1(%d:1)\n", nrows);
}