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authorDamjan Marion <damarion@cisco.com>2018-04-18 17:00:18 +0200
committerFlorin Coras <florin.coras@gmail.com>2018-04-18 18:00:56 +0000
commit5b6ae8de4fd0d7855f8f38426dd4524ebcb15fee (patch)
tree98a8b6ad2dd5a5f4edfb828f4b07961cb4ac05c7 /src
parente78fab8f5b8afe5bb1b0a2003f1a2384b07ed87f (diff)
dpdk: improve logging
- use of vlib_log for non-dataplane logging - redirect of dpdk logs trough unix pipe into vlib_log - "show dpdk physmem" cli Change-Id: I5da70f9c130273072a8cc80d169df31fc216b2c2 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/plugins/dpdk/device/cli.c92
-rw-r--r--src/plugins/dpdk/device/common.c30
-rw-r--r--src/plugins/dpdk/device/dpdk.h12
-rwxr-xr-xsrc/plugins/dpdk/device/init.c88
4 files changed, 187 insertions, 35 deletions
diff --git a/src/plugins/dpdk/device/cli.c b/src/plugins/dpdk/device/cli.c
index c9fcea5c8d5..2eaf17e55a5 100644
--- a/src/plugins/dpdk/device/cli.c
+++ b/src/plugins/dpdk/device/cli.c
@@ -12,11 +12,16 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+
+#include <unistd.h>
+#include <fcntl.h>
+
#include <vnet/vnet.h>
#include <vppinfra/vec.h>
#include <vppinfra/error.h>
#include <vppinfra/format.h>
#include <vppinfra/xxhash.h>
+#include <vppinfra/linux/sysfs.c>
#include <vnet/ethernet/ethernet.h>
#include <dpdk/device/dpdk.h>
@@ -376,7 +381,7 @@ show_dpdk_buffer (vlib_main_t * vm, unformat_input_t * input,
* @cliexend
?*/
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (cmd_show_dpdk_bufferr,static) = {
+VLIB_CLI_COMMAND (cmd_show_dpdk_buffer,static) = {
.path = "show dpdk buffer",
.short_help = "show dpdk buffer",
.function = show_dpdk_buffer,
@@ -385,6 +390,91 @@ VLIB_CLI_COMMAND (cmd_show_dpdk_bufferr,static) = {
/* *INDENT-ON* */
static clib_error_t *
+show_dpdk_physmem (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ clib_error_t *err = 0;
+ u32 pipe_max_size;
+ int fds[2];
+ u8 *s = 0;
+ int n, n_try;
+ FILE *f;
+
+ err = clib_sysfs_read ("/proc/sys/fs/pipe-max-size", "%u", &pipe_max_size);
+
+ if (err)
+ return err;
+
+ if (pipe (fds) == -1)
+ return clib_error_return_unix (0, "pipe");
+
+#ifndef F_SETPIPE_SZ
+#define F_SETPIPE_SZ (1024 + 7)
+#endif
+
+ if (fcntl (fds[1], F_SETPIPE_SZ, pipe_max_size) == -1)
+ {
+ err = clib_error_return_unix (0, "fcntl(F_SETPIPE_SZ)");
+ goto error;
+ }
+
+ if (fcntl (fds[0], F_SETFL, O_NONBLOCK) == -1)
+ {
+ err = clib_error_return_unix (0, "fcntl(F_SETFL)");
+ goto error;
+ }
+
+ if ((f = fdopen (fds[1], "a")) == 0)
+ {
+ err = clib_error_return_unix (0, "fdopen");
+ goto error;
+ }
+
+ rte_dump_physmem_layout (f);
+ fflush (f);
+
+ n = n_try = 4096;
+ while (n == n_try)
+ {
+ uword len = vec_len (s);
+ vec_resize (s, len + n_try);
+
+ n = read (fds[0], s + len, n_try);
+ if (n < 0 && errno != EAGAIN)
+ {
+ err = clib_error_return_unix (0, "read");
+ goto error;
+ }
+ _vec_len (s) = len + (n < 0 ? 0 : n);
+ }
+
+ vlib_cli_output (vm, "%v", s);
+
+error:
+ close (fds[0]);
+ close (fds[1]);
+ vec_free (s);
+ return err;
+}
+
+/*?
+ * This command displays DPDK physmem layout
+ *
+ * @cliexpar
+ * Example of how to display DPDK physmem layout:
+ * @cliexstart{show dpdk physmem}
+ * @cliexend
+?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cmd_show_dpdk_physmem,static) = {
+ .path = "show dpdk physmem",
+ .short_help = "show dpdk physmem",
+ .function = show_dpdk_physmem,
+ .is_mp_safe = 1,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
test_dpdk_buffer (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
diff --git a/src/plugins/dpdk/device/common.c b/src/plugins/dpdk/device/common.c
index 3f113aaf22f..77a7dee8a1b 100644
--- a/src/plugins/dpdk/device/common.c
+++ b/src/plugins/dpdk/device/common.c
@@ -30,6 +30,9 @@
void
dpdk_device_error (dpdk_device_t * xd, char *str, int rv)
{
+ dpdk_log_err ("Interface %U error %d: %s",
+ format_dpdk_device_name, xd->device_index, rv,
+ rte_strerror (rv));
xd->errors = clib_error_return (xd->errors, "%s[port:%d, errno:%d]: %s",
str, xd->device_index, rv,
rte_strerror (rv));
@@ -166,6 +169,9 @@ dpdk_device_start (dpdk_device_t * xd)
rte_eth_allmulticast_enable (dpdk_port);
}
}
+
+ dpdk_log_info ("Interface %U started",
+ format_dpdk_device_name, xd->device_index);
}
void
@@ -188,6 +194,8 @@ dpdk_device_stop (dpdk_device_t * xd)
rte_eth_dev_stop (dpdk_port);
}
}
+ dpdk_log_info ("Interface %U stopped",
+ format_dpdk_device_name, xd->device_index);
}
/* Even type for send_garp_na_process */
@@ -258,7 +266,7 @@ dpdk_port_state_callback_inline (dpdk_portid_t port_id,
RTE_SET_USED (param);
if (type != RTE_ETH_EVENT_INTR_LSC)
{
- clib_warning ("Unknown event %d received for port %d", type, port_id);
+ dpdk_log_info ("Unknown event %d received for port %d", type, port_id);
return -1;
}
@@ -269,12 +277,10 @@ dpdk_port_state_callback_inline (dpdk_portid_t port_id,
{
uword bd_port = xd->bond_port;
int bd_mode = rte_eth_bond_mode_get (bd_port);
-#if 0
- clib_warning ("Port %d state to %s, "
- "slave of port %d BondEthernet%d in mode %d",
- port_id, (link_up) ? "UP" : "DOWN",
- bd_port, xd->port_id, bd_mode);
-#endif
+ dpdk_log_info ("Port %d state to %s, "
+ "slave of port %d BondEthernet%d in mode %d",
+ port_id, (link_up) ? "UP" : "DOWN",
+ bd_port, xd->port_id, bd_mode);
if (bd_mode == BONDING_MODE_ACTIVE_BACKUP)
{
vl_api_force_rpc_call_main_thread
@@ -289,12 +295,12 @@ dpdk_port_state_callback_inline (dpdk_portid_t port_id,
else /* Should not happen as callback not setup for "normal" links */
{
if (link_up)
- clib_warning ("Port %d Link Up - speed %u Mbps - %s",
- port_id, (unsigned) link.link_speed,
- (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
- "full-duplex" : "half-duplex");
+ dpdk_log_info ("Port %d Link Up - speed %u Mbps - %s",
+ port_id, (unsigned) link.link_speed,
+ (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+ "full-duplex" : "half-duplex");
else
- clib_warning ("Port %d Link Down\n\n", port_id);
+ dpdk_log_info ("Port %d Link Down\n\n", port_id);
}
return 0;
diff --git a/src/plugins/dpdk/device/dpdk.h b/src/plugins/dpdk/device/dpdk.h
index d52e96634e2..896617bd55f 100644
--- a/src/plugins/dpdk/device/dpdk.h
+++ b/src/plugins/dpdk/device/dpdk.h
@@ -400,6 +400,9 @@ typedef struct
/* API message ID base */
u16 msg_id_base;
+
+ /* logging */
+ vlib_log_class_t log_default;
} dpdk_main_t;
extern dpdk_main_t dpdk_main;
@@ -450,6 +453,15 @@ typedef enum
DPDK_N_ERROR,
} dpdk_error_t;
+#define dpdk_log_err(...) \
+ vlib_log(VLIB_LOG_LEVEL_ERR, dpdk_main.log_default, __VA_ARGS__)
+#define dpdk_log_warn(...) \
+ vlib_log(VLIB_LOG_LEVEL_WARNING, dpdk_main.log_default, __VA_ARGS__)
+#define dpdk_log_notice(...) \
+ vlib_log(VLIB_LOG_LEVEL_NOTICE, dpdk_main.log_default, __VA_ARGS__)
+#define dpdk_log_info(...) \
+ vlib_log(VLIB_LOG_LEVEL_INFO, dpdk_main.log_default, __VA_ARGS__)
+
void dpdk_update_link_state (dpdk_device_t * xd, f64 now);
format_function_t format_dpdk_device_name;
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 33cc4455657..17ae826e8b1 100755
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -19,6 +19,7 @@
#include <vppinfra/bitmap.h>
#include <vppinfra/linux/sysfs.h>
#include <vlib/unix/unix.h>
+#include <vlib/log.h>
#include <vnet/ethernet/ethernet.h>
#include <dpdk/device/dpdk.h>
@@ -227,11 +228,11 @@ dpdk_lib_init (dpdk_main_t * dm)
nports = rte_eth_dev_count ();
if (nports < 1)
{
- clib_warning ("DPDK drivers found no ports...");
+ dpdk_log_notice ("DPDK drivers found no ports...");
}
if (CLIB_DEBUG > 0)
- clib_warning ("DPDK drivers found %d ports...", nports);
+ dpdk_log_notice ("DPDK drivers found %d ports...", nports);
if (dm->conf->enable_tcp_udp_checksum)
dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
@@ -660,7 +661,7 @@ dpdk_lib_init (dpdk_main_t * dm)
dpdk_device_setup (xd);
if (vec_len (xd->errors))
- clib_warning ("setup failed for device %U. Errors:\n %U",
+ dpdk_log_err ("setup failed for device %U. Errors:\n %U",
format_dpdk_device_name, i,
format_dpdk_device_errors, xd);
@@ -683,7 +684,7 @@ dpdk_lib_init (dpdk_main_t * dm)
if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
vlan_strip = 1; /* remove vlan tag from VIC port by default */
else
- clib_warning ("VLAN strip disabled for interface\n");
+ dpdk_log_warn ("VLAN strip disabled for interface\n");
}
else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
vlan_strip = 1;
@@ -695,9 +696,9 @@ dpdk_lib_init (dpdk_main_t * dm)
vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
- clib_warning ("VLAN strip enabled for interface\n");
+ dpdk_log_info ("VLAN strip enabled for interface\n");
else
- clib_warning ("VLAN strip cannot be supported by interface\n");
+ dpdk_log_warn ("VLAN strip cannot be supported by interface\n");
}
if (hi)
@@ -710,7 +711,7 @@ dpdk_lib_init (dpdk_main_t * dm)
}
if (nb_desc > dm->conf->num_mbufs)
- clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
+ dpdk_log_err ("%d mbufs allocated but total rx/tx ring size is %d\n",
dm->conf->num_mbufs, nb_desc);
return 0;
@@ -788,7 +789,7 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
}
else
{
- clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
+ dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
"at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
pci_addr);
continue;
@@ -915,6 +916,37 @@ dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
}
static clib_error_t *
+dpdk_log_read_ready (clib_file_t * uf)
+{
+ unformat_input_t input;
+ u8 *line, *s = 0;
+ int n, n_try;
+
+ n = n_try = 4096;
+ while (n == n_try)
+ {
+ uword len = vec_len (s);
+ vec_resize (s, len + n_try);
+
+ n = read (uf->file_descriptor, s + len, n_try);
+ if (n < 0 && errno != EAGAIN)
+ return clib_error_return_unix (0, "read");
+ _vec_len (s) = len + (n < 0 ? 0 : n);
+ }
+
+ unformat_init_vector (&input, s);
+
+ while (unformat_user (&input, unformat_line, &line))
+ {
+ dpdk_log_notice ("%v", line);
+ vec_free (line);
+ }
+
+ unformat_free (&input);
+ return 0;
+}
+
+static clib_error_t *
dpdk_config (vlib_main_t * vm, unformat_input_t * input)
{
clib_error_t *error = 0;
@@ -1264,6 +1296,19 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
/* Set up DPDK eal and packet mbuf pool early. */
rte_log_set_global_level (log_level);
+ int log_fds[2] = { 0 };
+ if (pipe (log_fds) == 0)
+ {
+ FILE *f = fdopen (log_fds[1], "a");
+ if (f && rte_openlog_stream (f) == 0)
+ {
+ clib_file_t t = { 0 };
+ t.read_function = dpdk_log_read_ready;
+ t.file_descriptor = log_fds[0];
+ t.description = format (0, "DPDK logging pipe");
+ clib_file_add (&file_main, &t);
+ }
+ }
vm = vlib_get_main ();
@@ -1272,10 +1317,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
conf->eal_init_args[i]);
- clib_warning ("EAL init args: %s", conf->eal_init_args_str);
- ret =
- rte_eal_init (vec_len (conf->eal_init_args),
- (char **) conf->eal_init_args);
+ dpdk_log_warn ("EAL init args: %s", conf->eal_init_args_str);
+ ret = rte_eal_init (vec_len (conf->eal_init_args),
+ (char **) conf->eal_init_args);
/* lazy umount hugepages */
umount2 ((char *) huge_dir_path, MNT_DETACH);
@@ -1285,10 +1329,6 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
if (ret < 0)
return clib_error_return (0, "rte_eal_init returned %d", ret);
- /* Dump the physical memory layout prior to creating the mbuf_pool */
- fprintf (stdout, "DPDK physical memory layout:\n");
- rte_dump_physmem_layout (stdout);
-
/* set custom ring memory allocator */
{
struct rte_mempool_ops *ops = NULL;
@@ -1432,7 +1472,7 @@ dpdk_update_link_state (dpdk_device_t * xd, f64 now)
case 0:
break;
default:
- clib_warning ("unknown link speed %d", xd->link.link_speed);
+ dpdk_log_warn ("unknown link speed %d", xd->link.link_speed);
break;
}
}
@@ -1517,12 +1557,12 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
(slink[0], (struct ether_addr *) addr);
/* Set MAC of bounded interface to that of 1st slave link */
- clib_warning ("Set MAC for bond port %d BondEthernet%d",
- i, xd->port_id);
+ dpdk_log_info ("Set MAC for bond port %d BondEthernet%d",
+ i, xd->port_id);
rv = rte_eth_bond_mac_address_set
(i, (struct ether_addr *) addr);
if (rv)
- clib_warning ("Set MAC addr failure rv=%d", rv);
+ dpdk_log_warn ("Set MAC addr failure rv=%d", rv);
/* Populate MAC of bonded interface in VPP hw tables */
bhi = vnet_get_hw_interface
@@ -1547,11 +1587,13 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
/* Add MAC to all slave links except the first one */
if (nlink)
{
- clib_warning ("Add MAC for slave port %d", slave);
+ dpdk_log_info ("Add MAC for slave port %d",
+ slave);
rv = rte_eth_dev_mac_addr_add
(slave, (struct ether_addr *) addr, 0);
if (rv)
- clib_warning ("Add MAC addr failure rv=%d", rv);
+ dpdk_log_warn ("Add MAC addr failure rv=%d",
+ rv);
}
/* Setup slave link state change callback handling */
rte_eth_dev_callback_register
@@ -1665,6 +1707,8 @@ dpdk_init (vlib_main_t * vm)
if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
return error;
+ dm->log_default = vlib_log_register_class ("dpdk", 0);
+
return error;
}