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List: xen-cvs
Subject: [Xen-changelog] [xen-unstable] [XENTOP]Add VBD information.
From: Xen patchbot-unstable <patchbot-unstable () lists ! xensource ! com>
Date: 2006-06-30 15:40:41
Message-ID: E1FwL6o-0007Lv-7A () xenbits ! xensource ! com
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# HG changeset patch
# User kaf24@firebug.cl.cam.ac.uk
# Node ID 85b092b4567d06b1aeffc87baae6fdb4bec51387
# Parent 3edac440045952cab44794b1deabab9eaa35c6bb
[XENTOP]Add VBD information.
Display VBD information at xentop.
By put 'x' key, display each VBD information in detail.
Signed-off-by: Satoshi UCHIDA <s-uchida@ap.jp.nec.com>
---
tools/xenstat/xentop/xentop.c | 154 +++++++++++++++++++++++++++++++++++++++++-
1 files changed, 152 insertions(+), 2 deletions(-)
diff -r 3edac4400459 -r 85b092b4567d tools/xenstat/xentop/xentop.c
--- a/tools/xenstat/xentop/xentop.c Fri Jun 30 09:20:22 2006 +0100
+++ b/tools/xenstat/xentop/xentop.c Fri Jun 30 09:25:42 2006 +0100
@@ -27,6 +27,7 @@
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
+#include <linux/kdev_t.h>
#include <xenstat.h>
@@ -65,6 +66,7 @@ static int compare(unsigned long long, u
static int compare(unsigned long long, unsigned long long);
static int compare_domains(xenstat_domain **, xenstat_domain **);
static unsigned long long tot_net_bytes( xenstat_domain *, int);
+static unsigned long long tot_vbd_reqs( xenstat_domain *, int);
/* Field functions */
static int compare_state(xenstat_domain *domain1, xenstat_domain *domain2);
@@ -91,6 +93,15 @@ static void print_ssid(xenstat_domain *d
static void print_ssid(xenstat_domain *domain);
static int compare_name(xenstat_domain *domain1, xenstat_domain *domain2);
static void print_name(xenstat_domain *domain);
+static int compare_vbds(xenstat_domain *domain1, xenstat_domain *domain2);
+static void print_vbds(xenstat_domain *domain);
+static int compare_vbd_oo(xenstat_domain *domain1, xenstat_domain *domain2);
+static void print_vbd_oo(xenstat_domain *domain);
+static int compare_vbd_rd(xenstat_domain *domain1, xenstat_domain *domain2);
+static void print_vbd_rd(xenstat_domain *domain);
+static int compare_vbd_wr(xenstat_domain *domain1, xenstat_domain *domain2);
+static void print_vbd_wr(xenstat_domain *domain);
+
/* Section printing functions */
static void do_summary(void);
@@ -99,6 +110,7 @@ static void do_domain(xenstat_domain *);
static void do_domain(xenstat_domain *);
static void do_vcpu(xenstat_domain *);
static void do_network(xenstat_domain *);
+static void do_vbd(xenstat_domain *);
static void top(void);
/* Field types */
@@ -116,6 +128,10 @@ typedef enum field_id {
FIELD_NETS,
FIELD_NET_TX,
FIELD_NET_RX,
+ FIELD_VBDS,
+ FIELD_VBD_OO,
+ FIELD_VBD_RD,
+ FIELD_VBD_WR,
FIELD_SSID
} field_id;
@@ -140,7 +156,11 @@ field fields[] = {
{ FIELD_NETS, "NETS", 4, compare_nets, print_nets },
{ FIELD_NET_TX, "NETTX(k)", 8, compare_net_tx, print_net_tx },
{ FIELD_NET_RX, "NETRX(k)", 8, compare_net_rx, print_net_rx },
- { FIELD_SSID, "SSID", 4, compare_ssid, print_ssid }
+ { FIELD_NET_RX, "VBDS", 8, compare_vbds, print_vbds },
+ { FIELD_NET_RX, "VBD_OO", 8, compare_vbd_oo, print_vbd_oo },
+ { FIELD_NET_RX, "VBD_RD", 8, compare_vbd_rd, print_vbd_rd },
+ { FIELD_NET_RX, "VBD_WR", 8, compare_vbd_wr, print_vbd_wr },
+ { FIELD_SSID, "SSID", 4, compare_ssid, print_ssid }
};
const unsigned int NUM_FIELDS = sizeof(fields)/sizeof(field);
@@ -158,6 +178,7 @@ unsigned int iterations = 0;
unsigned int iterations = 0;
int show_vcpus = 0;
int show_networks = 0;
+int show_vbds = 0;
int repeat_header = 0;
#define PROMPT_VAL_LEN 80
char *prompt = NULL;
@@ -180,6 +201,7 @@ static void usage(const char *program)
"-V, --version output version information and exit\n"
"-d, --delay=SECONDS seconds between updates (default 3)\n"
"-n, --networks output vif network data\n"
+ "-b, --vbds output vbd block device data\n"
"-r, --repeat-header repeat table header before each domain\n"
"-v, --vcpus output vcpu data\n"
"-b, --batch output in batch mode, no user input accepted\n"
@@ -289,6 +311,9 @@ static int handle_key(int ch)
switch(ch) {
case 'n': case 'N':
show_networks ^= 1;
+ break;
+ case 'b': case 'B':
+ show_vbds ^= 1;
break;
case 'r': case 'R':
repeat_header ^= 1;
@@ -585,6 +610,96 @@ static unsigned long long tot_net_bytes(
return total;
}
+/* Compares number of virtual block devices of two domains,
+ returning -1,0,1 for * <,=,> */
+static int compare_vbds(xenstat_domain *domain1, xenstat_domain *domain2)
+{
+ return -compare(xenstat_domain_num_vbds(domain1),
+ xenstat_domain_num_vbds(domain2));
+}
+
+/* Prints number of virtual block devices statistic */
+static void print_vbds(xenstat_domain *domain)
+{
+ print("%4u", xenstat_domain_num_vbds(domain));
+}
+
+/* Compares number of total VBD OO requests of two domains,
+ returning -1,0,1 * for <,=,> */
+static int compare_vbd_oo(xenstat_domain *domain1, xenstat_domain *domain2)
+{
+ return -compare(tot_vbd_reqs(domain1, FIELD_VBD_OO),
+ tot_vbd_reqs(domain2, FIELD_VBD_OO));
+}
+
+/* Prints number of total VBD OO requests statistic */
+static void print_vbd_oo(xenstat_domain *domain)
+{
+ print("%8llu", tot_vbd_reqs(domain, FIELD_VBD_OO));
+}
+
+/* Compares number of total VBD READ requests of two domains,
+ returning -1,0,1 * for <,=,> */
+static int compare_vbd_rd(xenstat_domain *domain1, xenstat_domain *domain2)
+{
+ return -compare(tot_vbd_reqs(domain1, FIELD_VBD_RD),
+ tot_vbd_reqs(domain2, FIELD_VBD_RD));
+}
+
+/* Prints number of total VBD READ requests statistic */
+static void print_vbd_rd(xenstat_domain *domain)
+{
+ print("%8llu", tot_vbd_reqs(domain, FIELD_VBD_RD));
+}
+
+/* Compares number of total VBD WRITE requests of two domains,
+ returning -1,0,1 * for <,=,> */
+static int compare_vbd_wr(xenstat_domain *domain1, xenstat_domain *domain2)
+{
+ return -compare(tot_vbd_reqs(domain1,FIELD_VBD_WR),
+ tot_vbd_reqs(domain2,FIELD_VBD_WR));
+}
+
+/* Prints number of total VBD WRITE requests statistic */
+static void print_vbd_wr(xenstat_domain *domain)
+{
+ print("%8llu", tot_vbd_reqs(domain,FIELD_VBD_WR));
+}
+
+/* Gets number of total VBD requests statistic,
+ * if flag is FIELD_VBD_OO, then OO requests,
+ * if flag is FIELD_VBD_RD, then READ requests and
+ * if flag is FIELD_VBD_WR, then WRITE requests.
+ */
+static unsigned long long tot_vbd_reqs(xenstat_domain *domain, int flag)
+{
+ int i = 0;
+ xenstat_vbd *vbd;
+ unsigned num_vbds = 0;
+ unsigned long long total = 0;
+
+ num_vbds = xenstat_domain_num_vbds(domain);
+
+ for ( i=0 ; i < num_vbds ; i++) {
+ vbd = xenstat_domain_vbd(domain,i);
+ switch(flag) {
+ case FIELD_VBD_OO:
+ total += xenstat_vbd_oo_reqs(vbd);
+ break;
+ case FIELD_VBD_RD:
+ total += xenstat_vbd_rd_reqs(vbd);
+ break;
+ case FIELD_VBD_WR:
+ total += xenstat_vbd_wr_reqs(vbd);
+ break;
+ default:
+ break;
+ }
+ }
+
+ return total;
+}
+
/* Compares security id (ssid) of two domains, returning -1,0,1 for <,=,> */
static int compare_ssid(xenstat_domain *domain1, xenstat_domain *domain2)
{
@@ -680,6 +795,13 @@ void do_bottom_line(void)
addch(A_REVERSE | 'N');
attr_addstr(show_networks ? COLOR_PAIR(1) : 0, "etworks");
addstr(" ");
+
+ /* VBDs */
+ attr_addstr(show_vbds ? COLOR_PAIR(1) : 0, "v");
+ addch(A_REVERSE | 'B');
+ attr_addstr(show_vbds ? COLOR_PAIR(1) : 0, "ds");
+ addstr(" ");
+
/* vcpus */
addch(A_REVERSE | 'V');
@@ -769,6 +891,28 @@ void do_network(xenstat_domain *domain)
}
}
+
+/* Output all VBD information */
+void do_vbd(xenstat_domain *domain)
+{
+ int i = 0;
+ xenstat_vbd *vbd;
+ unsigned num_vbds = 0;
+
+ num_vbds = xenstat_domain_num_vbds(domain);
+
+ for (i=0 ; i< num_vbds; i++) {
+ vbd = xenstat_domain_vbd(domain,i);
+
+ print("VBD %4u [%2x:%2x] OO: %8llu RD: %8llu WR: %8llu\n",
+ xenstat_vbd_dev(vbd),
+ MAJOR(xenstat_vbd_dev(vbd)), MINOR(xenstat_vbd_dev(vbd)),
+ xenstat_vbd_oo_reqs(vbd),
+ xenstat_vbd_rd_reqs(vbd),
+ xenstat_vbd_wr_reqs(vbd));
+ }
+}
+
static void top(void)
{
xenstat_domain **domains;
@@ -812,6 +956,8 @@ static void top(void)
do_vcpu(domains[i]);
if (show_networks)
do_network(domains[i]);
+ if (show_vbds)
+ do_vbd(domains[i]);
}
if(!batch)
@@ -827,6 +973,7 @@ int main(int argc, char **argv)
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ "networks", no_argument, NULL, 'n' },
+ { "vbds", no_argument, NULL, 'x' },
{ "repeat-header", no_argument, NULL, 'r' },
{ "vcpus", no_argument, NULL, 'v' },
{ "delay", required_argument, NULL, 'd' },
@@ -834,7 +981,7 @@ int main(int argc, char **argv)
{ "iterations", required_argument, NULL, 'i' },
{ 0, 0, 0, 0 },
};
- const char *sopts = "hVbnvd:bi:";
+ const char *sopts = "hVnxrvd:bi:";
if (atexit(cleanup) != 0)
fail("Failed to install cleanup handler.\n");
@@ -851,6 +998,9 @@ int main(int argc, char **argv)
exit(0);
case 'n':
show_networks = 1;
+ break;
+ case 'x':
+ show_vbds = 1;
break;
case 'r':
repeat_header = 1;
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