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#include <stdio.h>
#include <string.h>
#include "trace-graph.h"
#define DEBUG_LEVEL 0
#if DEBUG_LEVEL > 0
#define dprintf(l, x...) \
do { \
if (l <= DEBUG_LEVEL) \
printf(x); \
} while (0)
#else
#define dprintf(l, x...) do { if (0) printf(x); } while (0)
#endif
static void update_job(struct vcpu_info *info, int job)
{
info->fresh = FALSE;
if (job > info->last_job) {
info->last_job = job;
snprintf(info->label, LLABEL, "%d:%d",
info->sid, info->last_job);
}
}
static int
try_server_switch_away(struct graph_info *ginfo, struct vcpu_info *vcpu_info,
struct record *record, struct plot_info *info)
{
int job, sid, tid, tjob, match, ret = 0;
unsigned long long ts;
match = rt_graph_check_server_switch_away(ginfo, record,
&sid, &job,
&tid, &tjob, &ts);
if (match && tid == vcpu_info->sid) {
update_job(vcpu_info, tjob);
if (vcpu_info->run_time && vcpu_info->run_time < ts) {
info->box = TRUE;
info->bcolor = hash_cpu(sid - 1);
info->bfill = TRUE;
info->bstart = vcpu_info->run_time;
info->bend = ts;
info->blabel = vcpu_info->label;
}
dprintf(3, "VCPU switch away from %d on %d:%d at %llu\n",
tid, sid, job, ts);
vcpu_info->run_time = 0ULL;
vcpu_info->run_cpu = NO_CPU;
vcpu_info->run_tid = 0;
ret = 1;
}
return ret;
}
static int try_server_switch_to(struct graph_info *ginfo, struct vcpu_info *vcpu_info,
struct record *record, struct plot_info *info)
{
int job, sid, tid, tjob, match, ret = 0;
unsigned long long ts;
match = rt_graph_check_server_switch_to(ginfo, record,
&sid, &job, &tid, &tjob, &ts);
if (match && tid == vcpu_info->sid) {
update_job(vcpu_info, tjob);
vcpu_info->run_time = ts;
vcpu_info->run_cpu = record->cpu;
vcpu_info->run_tid = tid;
dprintf(3, "Switch to %d for %d:%d at %llu\n",
tid, sid, job, ts);
ret = 1;
}
return ret;
}
/* static int try_switch_to(struct graph_info *ginfo, struct vcpu_info *vcpu_info, */
/* struct record *record, struct plot_info *info) */
/* { */
/* int job, pid, match, ret = 0; */
/* unsigned long long ts; */
/* match = rt_graph_check_switch_to(ginfo, record, &pid, &job, &ts); */
/* if (match && pid && pid == vcpu_info->run_tid && vcpu_info->run_time) { */
/* info->line = TRUE; */
/* info->lcolor = hash_pid(pid); */
/* ret = 1; */
/* } */
/* return ret; */
/* } */
/* static int try_switch_away(struct graph_info *ginfo, struct vcpu_info *vcpu_info, */
/* struct record *record, struct plot_info *info) */
/* { */
/* int job, pid, match, ret = 0; */
/* unsigned long long ts; */
/* match = rt_graph_check_switch_away(ginfo, record, &pid, &job, &ts); */
/* if (match && pid && pid == vcpu_info->run_tid) { */
/* info->line = TRUE; */
/* info->lcolor = hash_pid(pid); */
/* ret = 1; */
/* } */
/* return ret; */
/* } */
static void do_plot_end(struct graph_info *ginfo, struct vcpu_info *vcpu_info,
struct plot_info *info)
{
int tid, job, is_running, tjob;
unsigned long long deadline, release;
struct record *record;
if (ginfo->view_end_time == ginfo->end_time)
return;
if (vcpu_info->run_time && vcpu_info->run_cpu != NO_CPU) {
info->box = TRUE;
info->bcolor = hash_pid(vcpu_info->sid);
info->bfill = TRUE;
info->bstart = vcpu_info->run_time;
info->bend = ginfo->view_end_time;
info->blabel = vcpu_info->label;
} else if (vcpu_info->fresh) {
is_running = get_server_info(ginfo,
(struct rt_plot_common*)vcpu_info,
vcpu_info->sid,
ginfo->view_end_time,
&release, &deadline,
&job, &tid, &tjob, &record);
if (is_running) {
update_job(vcpu_info, job);
info->box = TRUE;
info->bcolor = hash_pid(vcpu_info->sid);
info->bfill = TRUE;
info->bstart = vcpu_info->run_time;
info->bend = ginfo->view_end_time;
info->blabel = vcpu_info->label;
}
}
}
static int rt_vtask_plot_event(struct graph_info *ginfo, struct graph_plot *plot,
struct record *record, struct plot_info *info)
{
int match;
struct vcpu_info *vcpu_info = plot->private;
if (!record) {
do_plot_end(ginfo, vcpu_info, info);
return 0;
}
match = try_server_switch_away(ginfo, vcpu_info, record, info) ||
try_server_switch_to(ginfo, vcpu_info, record, info) ||
/* vcpu_try_block(ginfo, vcpu_info, record, info) || */
/* vcpu_try_resume(ginfo, vcpu_info, record, info) || */
vcpu_try_release(ginfo, vcpu_info, record, info) ||
vcpu_try_completion(ginfo, vcpu_info, record, info);
/* try_switch_to(ginfo, vcpu_info, record, info) || */
/* try_switch_away(ginfo, vcpu_info, record, info); */
return match;
}
const struct plot_callbacks rt_vtask_cb = {
.start = rt_vcpu_plot_start,
.destroy = rt_vcpu_plot_destroy,
.plot_event = rt_vtask_plot_event,
.display_last_event = rt_plot_display_last_event,
.display_info = rt_plot_display_info,
.match_time = rt_plot_match_time,
.find_record = rt_plot_find_record,
};
void insert_vtask(struct graph_info *ginfo, struct cont_list *cont,
struct vcpu_list *vcpu_info)
{
struct graph_plot *plot;
struct vcpu_info *vtask;
char *label;
vtask = malloc_or_die(sizeof(*vtask));
vtask->sid = vcpu_info->sid;
vtask->label = malloc_or_die(LLABEL);
vtask->cont = cont;
vtask->common.record_matches = rt_vcpu_plot_record_matches;
vtask->common.is_drawn = rt_vcpu_plot_is_drawn;
vtask->common.write_header = rt_vcpu_plot_write_header;
label = malloc_or_die(1);
snprintf(label, 2, " ");
plot = trace_graph_plot_append(ginfo, label, PLOT_TYPE_SERVER_TASK,
TIME_TYPE_RT, &rt_vtask_cb, vtask);
trace_graph_plot_add_all_recs(ginfo, plot);
}
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