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parallel-checkout: support progress displaying 

Original-patch-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Matheus Tavares 2021-04-18 21:14:56 -03:00 committed by Junio C Hamano
parent 7531e4b66e
commit 1c4d6f46be
3 changed files with 43 additions and 7 deletions
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34
parallel-checkout.c
View File

@ -3,6 +3,7 @@
#include "entry.h"
#include "parallel-checkout.h"
#include "pkt-line.h"
#include "progress.h"
#include "run-command.h"
#include "sigchain.h"
#include "streaming.h"
@ -17,6 +18,8 @@ struct parallel_checkout {
enum pc_status status;
struct parallel_checkout_item *items; /* The parallel checkout queue. */
size_t nr, alloc;
struct progress *progress;
unsigned int *progress_cnt;
};
static struct parallel_checkout parallel_checkout;
@ -146,6 +149,20 @@ int enqueue_checkout(struct cache_entry *ce, struct conv_attrs *ca)
return 0;
}
size_t pc_queue_size(void)
{
return parallel_checkout.nr;
}
static void advance_progress_meter(void)
{
if (parallel_checkout.progress) {
(*parallel_checkout.progress_cnt)++;
display_progress(parallel_checkout.progress,
*parallel_checkout.progress_cnt);
}
}
static int handle_results(struct checkout *state)
{
int ret = 0;
@ -194,6 +211,7 @@ static int handle_results(struct checkout *state)
*/
ret |= checkout_entry_ca(pc_item->ce, &pc_item->ca,
state, NULL, NULL);
advance_progress_meter();
break;
case PC_ITEM_PENDING:
have_pending = 1;
@ -534,6 +552,9 @@ static void parse_and_save_result(const char *buffer, int len,
pc_item->status = res->status;
if (st)
pc_item->st = *st;
if (res->status != PC_ITEM_COLLIDED)
advance_progress_meter();
}
static void gather_results_from_workers(struct pc_worker *workers,
@ -596,11 +617,16 @@ static void write_items_sequentially(struct checkout *state)
{
size_t i;
for (i = 0; i < parallel_checkout.nr; i++)
write_pc_item(&parallel_checkout.items[i], state);
for (i = 0; i < parallel_checkout.nr; i++) {
struct parallel_checkout_item *pc_item = &parallel_checkout.items[i];
write_pc_item(pc_item, state);
if (pc_item->status != PC_ITEM_COLLIDED)
advance_progress_meter();
}
}
int run_parallel_checkout(struct checkout *state, int num_workers, int threshold)
int run_parallel_checkout(struct checkout *state, int num_workers, int threshold,
struct progress *progress, unsigned int *progress_cnt)
{
int ret;
@ -608,6 +634,8 @@ int run_parallel_checkout(struct checkout *state, int num_workers, int threshold
BUG("cannot run parallel checkout: uninitialized or already running");
parallel_checkout.status = PC_RUNNING;
parallel_checkout.progress = progress;
parallel_checkout.progress_cnt = progress_cnt;
if (parallel_checkout.nr < num_workers)
num_workers = parallel_checkout.nr;

5
parallel-checkout.h
View File

@ -5,6 +5,7 @@
struct cache_entry;
struct checkout;
struct progress;
/****************************************************************
* Users of parallel checkout
@ -31,13 +32,15 @@ void init_parallel_checkout(void);
* for later write and return 0.
*/
int enqueue_checkout(struct cache_entry *ce, struct conv_attrs *ca);
size_t pc_queue_size(void);
/*
* Write all the queued entries, returning 0 on success. If the number of
* entries is smaller than the specified threshold, the operation is performed
* sequentially.
*/
int run_parallel_checkout(struct checkout *state, int num_workers, int threshold);
int run_parallel_checkout(struct checkout *state, int num_workers, int threshold,
struct progress *progress, unsigned int *progress_cnt);
/****************************************************************
* Interface with checkout--worker

11
unpack-trees.c
View File

@ -474,17 +474,22 @@ static int check_updates(struct unpack_trees_options *o,
struct cache_entry *ce = index->cache[i];
if (ce->ce_flags & CE_UPDATE) {
size_t last_pc_queue_size = pc_queue_size();
if (ce->ce_flags & CE_WT_REMOVE)
BUG("both update and delete flags are set on %s",
ce->name);
display_progress(progress, ++cnt);
ce->ce_flags &= ~CE_UPDATE;
errs |= checkout_entry(ce, &state, NULL, NULL);
if (last_pc_queue_size == pc_queue_size())
display_progress(progress, ++cnt);
}
}
stop_progress(&progress);
if (pc_workers > 1)
errs |= run_parallel_checkout(&state, pc_workers, pc_threshold);
errs |= run_parallel_checkout(&state, pc_workers, pc_threshold,
progress, &cnt);
stop_progress(&progress);
errs |= finish_delayed_checkout(&state, NULL);
git_attr_set_direction(GIT_ATTR_CHECKIN);