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app/procinfo: add --iter-mempool

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Function iter_mempool is used for iterating slected mempool elements
and display the contents of elements for a max of 256 bytes. In case
of invalid or no name for mempool, no information is displayed.

Signed-off-by: Vipin Varghese <vipin.varghese@intel.com>
Acked-by: Reshma Pattan <reshma.pattan@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
This commit is contained in:
Vipin Varghese 2019-01-11 03:06:45 +05:30 committed by Thomas Monjalon
parent 0101a0ec62
commit 3056d22a5c
2 changed files with 52 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
app/proc-info/main.c
View File

@ -33,6 +33,7 @@
#include <rte_security.h>
#include <rte_cryptodev.h>
#include <rte_tm.h>
#include <rte_hexdump.h>
/* Maximum long option length for option parsing. */
#define MAX_LONG_OPT_SZ 64
@ -88,6 +89,9 @@ static char *ring_name;
/**< Enable show mempool. */
static uint32_t enable_shw_mempool;
static char *mempool_name;
/**< Enable iter mempool. */
static uint32_t enable_iter_mempool;
static char *mempool_iter_name;
/**< display usage */
static void
@ -112,7 +116,8 @@ proc_info_usage(const char *prgname)
" --show-tm: to display traffic manager information for ports\n"
" --show-crypto: to display crypto information\n"
" --show-ring[=name]: to display ring information\n"
" --show-mempool[=name]: to display mempool information\n",
" --show-mempool[=name]: to display mempool information\n"
" --iter-mempool=name: iterate mempool elements to display content\n",
prgname);
}
@ -224,6 +229,7 @@ proc_info_parse_args(int argc, char **argv)
{"show-crypto", 0, NULL, 0},
{"show-ring", optional_argument, NULL, 0},
{"show-mempool", optional_argument, NULL, 0},
{"iter-mempool", required_argument, NULL, 0},
{NULL, 0, 0, 0}
};
@ -284,6 +290,10 @@ proc_info_parse_args(int argc, char **argv)
"show-mempool", MAX_LONG_OPT_SZ)) {
enable_shw_mempool = 1;
mempool_name = optarg;
} else if (!strncmp(long_option[option_index].name,
"iter-mempool", MAX_LONG_OPT_SZ)) {
enable_iter_mempool = 1;
mempool_iter_name = optarg;
}
break;
case 1:
@ -1179,6 +1189,40 @@ show_mempool(char *name)
STATS_BDR_STR(50, "");
}
static void
mempool_itr_obj(struct rte_mempool *mp, void *opaque,
void *obj, unsigned int obj_idx)
{
printf(" - obj_idx %u opaque %p obj %p\n",
obj_idx, opaque, obj);
if (obj)
rte_hexdump(stdout, " Obj Content",
obj, (mp->elt_size > 256)?256:mp->elt_size);
}
static void
iter_mempool(char *name)
{
snprintf(bdr_str, MAX_STRING_LEN, " iter - MEMPOOL %"PRIu64,
rte_get_tsc_hz());
STATS_BDR_STR(10, bdr_str);
if (name != NULL) {
struct rte_mempool *ptr = rte_mempool_lookup(name);
if (ptr != NULL) {
/* iterate each object */
uint32_t ret = rte_mempool_obj_iter(ptr,
mempool_itr_obj, NULL);
printf("\n - iterated %u objects\n", ret);
STATS_BDR_STR(50, "");
return;
}
}
STATS_BDR_STR(50, "");
}
int
main(int argc, char **argv)
{
@ -1270,6 +1314,8 @@ main(int argc, char **argv)
show_ring(ring_name);
if (enable_shw_mempool)
show_mempool(mempool_name);
if (enable_iter_mempool)
iter_mempool(mempool_iter_name);
ret = rte_eal_cleanup();
if (ret)

6
doc/guides/tools/proc_info.rst
View File

@ -19,7 +19,7 @@ The application has a number of command line options:
./$(RTE_TARGET)/app/dpdk-procinfo -- -m | [-p PORTMASK] [--stats | --xstats |
--stats-reset | --xstats-reset] [ --show-port | --show-tm | --show-crypto |
--show-ring[=name] | --show-mempool[=name] ]
--show-ring[=name] | --show-mempool[=name] | --iter-mempool=name ]
Parameters
~~~~~~~~~~
@ -65,6 +65,10 @@ The show-mempool parameter display current allocation of all mempool
debug information. Specifying the name allows to display details for specific
specific mempool. For invalid or no mempool name, whole list is dump.
**--iter-mempool=name**
The iter-mempool parameter iterates and displays mempool elements specified
by name. For invalid or no mempool name no elements are displayed.
Limitations
-----------