static void
pause_query(struct fd_context *ctx, struct fd_hw_query *hq,
struct fd_ringbuffer *ring)
{
int idx = pidx(hq->provider->query_type);
assert(idx >= 0); /* query never would have been created otherwise */
assert(hq->period && !hq->period->end);
assert(ctx->active_providers & (1 << idx));
hq->period->end = get_sample(ctx, ring, hq->base.type);
list_addtail(&hq->period->list, &hq->current_periods);
hq->period = NULL;
}
static void
resume_query(struct fd_context *ctx, struct fd_hw_query *hq,
struct fd_ringbuffer *ring)
{
int idx = pidx(hq->provider->query_type);
assert(idx >= 0); /* query never would have been created otherwise */
assert(!hq->period);
ctx->active_providers |= (1 << idx);
hq->period = util_slab_alloc(&ctx->sample_period_pool);
list_inithead(&hq->period->list);
hq->period->start = get_sample(ctx, ring, hq->base.type);
/* NOTE: util_slab_alloc() does not zero out the buffer: */
hq->period->end = NULL;
}
static struct fd_hw_sample *
get_sample(struct fd_context *ctx, struct fd_ringbuffer *ring,
unsigned query_type)
{
struct fd_hw_sample *samp = NULL;
int idx = pidx(query_type);
assume(idx >= 0); /* query never would have been created otherwise */
if (!ctx->sample_cache[idx]) {
ctx->sample_cache[idx] =
ctx->sample_providers[idx]->get_sample(ctx, ring);
}
fd_hw_sample_reference(ctx, &samp, ctx->sample_cache[idx]);
return samp;
}
void whichone(char **arg,int len)
{
int i;
int bg = 0;
int pipe = 0;
int redir = 0;
if(arg[0] == NULL)
{
fprintf(stderr,"Invalid Command\n");
}
for(i=0; i<len; i++)
if((strcmp(arg[i],"<") == 0) || (strcmp(arg[i],">") == 0))
redir = 1;
for(i=0; i<len; i++)
if(strcmp(arg[i],"|") == 0)
pipe = 1;
if(arg[len-1][strlen(arg[len-1])-1] == '&')
{
bg = 1;
if(arg[len-1][0] == '&')
arg[len-1] = NULL;
else
arg[len-1][strlen(arg[len-1])-1] = '\0';
}
if(pipe && !redir)
{
pipe_func(arg,len);
}
else if(!pipe && redir)
{
redir_func(arg,len);
}
else if(pipe && redir)
{
redir_pipe_func(arg,len);
}
else if(strcmp(arg[0],"cd") == 0)
{
cd(arg,len);
}
else if(strcmp(arg[0],"pid") == 0)
{
pidx(arg,len);
}
else if(arg[0][0]=='h' && arg[0][1]=='i' && arg[0][2]=='s' && arg[0][3]=='t')
{
hist(arg,len);
}
else if(arg[0][0]=='!' && arg[0][1]=='h' && arg[0][2]=='i' && arg[0][3]=='s' && arg[0][4]=='t')
{
hist1(arg,len);
}
else
{
other(arg,len,bg);
}
}
