[PATCH 1/6]xl: Add 'xl tmem-list' command

[Yang Hongyang <yanghy@cn.fujitsu.com>]

Add 'xl tmem-list' command

Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> 

diff -r baccadfd9418 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c	Fri May 14 08:05:05 2010 +0100
+++ b/tools/libxl/libxl.c	Wed May 19 23:25:29 2010 +0800
@@ -2825,3 +2825,18 @@
     return strtoul(start_time, NULL, 10);
 }
 
+char *libxl_tmem_list(struct libxl_ctx *ctx, uint32_t domid, int use_long)
+{
+    int rc;
+    char _buf[32768];
+
+    rc = xc_tmem_control(ctx->xch, -1, TMEMC_LIST, domid, 32768, use_long,
+                         0, _buf);
+    if (rc < 0) {
+        XL_LOG_ERRNOVAL(ctx, XL_LOG_ERROR, rc,
+            "Can not get tmem list");
+        return NULL;
+    }
+
+    return strdup(_buf);
+}
diff -r baccadfd9418 tools/libxl/libxl.h
--- a/tools/libxl/libxl.h	Fri May 14 08:05:05 2010 +0100
+++ b/tools/libxl/libxl.h	Wed May 19 23:25:29 2010 +0800
@@ -513,5 +513,7 @@
 int libxl_send_sysrq(struct libxl_ctx *ctx, uint32_t domid, char sysrq);
 uint32_t libxl_vm_get_start_time(struct libxl_ctx *ctx, uint32_t domid);
 
+char *libxl_tmem_list(struct libxl_ctx *ctx, uint32_t domid, int use_long);
+
 #endif /* LIBXL_H */
 
diff -r baccadfd9418 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c	Fri May 14 08:05:05 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c	Wed May 19 23:25:29 2010 +0800
@@ -3667,3 +3667,49 @@
 
     exit(0);
 }
+
+int main_tmem_list(int argc, char **argv)
+{
+    char *dom = NULL;
+    char *buf = NULL;
+    int use_long = 0;
+    int all = 0;
+    int opt;
+
+    while ((opt = getopt(argc, argv, "alh")) != -1) {
+        switch (opt) {
+        case 'l':
+            use_long = 1;
+            break;
+        case 'a':
+            all = 1;
+            break;
+        case 'h':
+            help("tmem-list");
+            exit(0);
+        default:
+            fprintf(stderr, "option `%c' not supported.\n", opt);
+            break;
+        }
+    }
+
+    dom = argv[optind];
+    if (!dom && all == 0) {
+        fprintf(stderr, "You must specify -a or a domain id.\n\n");
+        help("tmem-list");
+        exit(1);
+    }
+
+    if (all)
+        domid = -1;
+    else
+        find_domain(dom);
+
+    buf = libxl_tmem_list(&ctx, domid, use_long);
+    if (buf == NULL)
+        exit(-1);
+
+    printf("%s\n", buf);
+    free(buf);
+    exit(0);
+}
diff -r baccadfd9418 tools/libxl/xl_cmdimpl.h
--- a/tools/libxl/xl_cmdimpl.h	Fri May 14 08:05:05 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.h	Wed May 19 23:25:29 2010 +0800
@@ -52,6 +52,7 @@
 int main_blocklist(int argc, char **argv);
 int main_blockdetach(int argc, char **argv);
 int main_uptime(int argc, char **argv);
+int main_tmem_list(int argc, char **argv);
 
 void help(char *command);
 
diff -r baccadfd9418 tools/libxl/xl_cmdtable.c
--- a/tools/libxl/xl_cmdtable.c	Fri May 14 08:05:05 2010 +0100
+++ b/tools/libxl/xl_cmdtable.c	Wed May 19 23:25:29 2010 +0800
@@ -224,6 +224,12 @@
       "Print uptime for all/some domains",
       "[-s] [Domain]",
     },
+    { "tmem-list",
+      &main_tmem_list,
+      "List tmem pools",
+      "[-l] [<Domain>|-a]",
+      "  -l                             List tmem stats",
+    },
 };
 
 int cmdtable_len = sizeof(cmd_table)/sizeof(struct cmd_spec);

-- 
Regards
Yang Hongyang