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[Qemu-devel] [v5 06/12] arch_init: Add and free data struct for decompre
From: |
Liang Li |
Subject: |
[Qemu-devel] [v5 06/12] arch_init: Add and free data struct for decompression |
Date: |
Wed, 11 Feb 2015 11:06:20 +0800 |
Define the data structure and variables used to do multiple thread
decompression, and add the code to initialize and free them.
Signed-off-by: Liang Li <address@hidden>
Signed-off-by: Yang Zhang <address@hidden>
Reviewed-by: Dr.David Alan Gilbert <address@hidden>
---
arch_init.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch_init.c b/arch_init.c
index 7ccad8b..66f4bc1 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -345,7 +345,12 @@ struct CompressParam {
typedef struct CompressParam CompressParam;
struct DecompressParam {
- /* To be done */
+ bool busy;
+ QemuMutex mutex;
+ QemuCond cond;
+ void *des;
+ uint8 *compbuf;
+ int len;
};
typedef struct DecompressParam DecompressParam;
@@ -1189,6 +1194,9 @@ void migrate_decompress_threads_create(int count)
compressed_data_buf = g_malloc0(compressBound(TARGET_PAGE_SIZE));
quit_decomp_thread = false;
for (i = 0; i < count; i++) {
+ qemu_mutex_init(&decomp_param[i].mutex);
+ qemu_cond_init(&decomp_param[i].cond);
+ decomp_param[i].compbuf = g_malloc0(compressBound(TARGET_PAGE_SIZE));
qemu_thread_create(decompress_threads + i, "decompress",
do_data_decompress, decomp_param + i,
QEMU_THREAD_JOINABLE);
@@ -1203,6 +1211,9 @@ void migrate_decompress_threads_join(void)
thread_count = migrate_decompress_threads();
for (i = 0; i < thread_count; i++) {
qemu_thread_join(decompress_threads + i);
+ qemu_mutex_destroy(&decomp_param[i].mutex);
+ qemu_cond_destroy(&decomp_param[i].cond);
+ g_free(decomp_param[i].compbuf);
}
g_free(decompress_threads);
g_free(decomp_param);
--
1.9.1
- Re: [Qemu-devel] [v5 02/12] migration: Add the framework of multi-thread compression, (continued)
[Qemu-devel] [v5 03/12] migration: Add the framework of multi-thread decompression, Liang Li, 2015/02/10
[Qemu-devel] [v5 04/12] qemu-file: Add compression functions to QEMUFile, Liang Li, 2015/02/10
[Qemu-devel] [v5 05/12] arch_init: Alloc and free data struct for compression, Liang Li, 2015/02/10
[Qemu-devel] [v5 06/12] arch_init: Add and free data struct for decompression,
Liang Li <=
[Qemu-devel] [v5 07/12] migration: Split the function ram_save_page, Liang Li, 2015/02/10
[Qemu-devel] [v5 08/12] migration: Add the core code of multi-thread compression, Liang Li, 2015/02/10
[Qemu-devel] [v5 09/12] migration: Make compression co-work with xbzrle, Liang Li, 2015/02/10