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ip: add iec formatted option and cleanup code

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Add a new -iec option in addition to -human.
Cleanup code so the formatting of numbers is done in one function,
not 2 ways and 2 sizes.
This commit is contained in:
Stephen Hemminger 2014-11-02 12:49:19 -08:00
parent b68d983754
commit 1e264abc3a
4 changed files with 114 additions and 199 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/utils.h
View File

@ -12,6 +12,7 @@
extern int preferred_family;
extern int human_readable;
extern int use_iec;
extern int show_stats;
extern int show_details;
extern int show_raw;

5
ip/ip.c
View File

@ -25,6 +25,7 @@
int preferred_family = AF_UNSPEC;
int human_readable = 0;
int use_iec = 0;
int show_stats = 0;
int show_details = 0;
int resolve_hosts = 0;
@ -48,7 +49,7 @@ static void usage(void)
" tunnel | tuntap | maddr | mroute | mrule | monitor | xfrm |\n"
" netns | l2tp | tcp_metrics | token | netconf }\n"
" OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |\n"
" -h[uman-readable] |\n"
" -h[uman-readable] | -iec |\n"
" -f[amily] { inet | inet6 | ipx | dnet | bridge | link } |\n"
" -4 | -6 | -I | -D | -B | -0 |\n"
" -l[oops] { maximum-addr-flush-attempts } |\n"
@ -217,6 +218,8 @@ int main(int argc, char **argv)
} else if (matches(opt, "-human") == 0 ||
matches(opt, "-human-readable") == 0) {
++human_readable;
} else if (matches(opt, "-iec") == 0) {
++use_iec;
} else if (matches(opt, "-stats") == 0 ||
matches(opt, "-statistics") == 0) {
++show_stats;

285
ip/ipaddress.c
View File

@ -319,61 +319,34 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
}
}
static void print_human64(FILE *fp, int length, uint64_t count)
static void print_num(FILE *fp, unsigned width, uint64_t count)
{
char * prefix = "kMGTPE";
int written = 0, i;
const char *prefix = "kMGTPE";
const unsigned int base = use_iec ? 1024 : 1000;
uint64_t powi = 1;
char buf[64];
if (count < 1000) {
/* we are below 1000, so no precision and no prefix */
written = fprintf(fp, "%"PRIu64, count);
} else {
/* increase value by a factor of 1000 and print
* if result is something a human can read */
for (i = 0; i < 6; i++) {
powi *= 1000;
if (count / 1000 < powi) {
written = fprintf(fp, "%"PRIu64".%"PRIu64"%c",
count / powi, count * 10 / powi % 10, *prefix);
break;
}
prefix++;
}
if (!human_readable || count < base) {
fprintf(fp, "%-*"PRIu64, width, count);
return;
}
do {
fputc(' ', fp);
} while (written++ < length);
}
/* increase value by a factor of 1000/1024 and print
* if result is something a human can read */
for(;;) {
powi *= base;
if (count / base < powi)
break;
static void print_human32(FILE *fp, int length, uint32_t count)
{
char * prefix = "KMG";
int written = 0, i;
uint32_t powi = 1;
if (count < 1000) {
/* we are below 1000, so no precision and no prefix */
written = fprintf(fp, "%u", count);
} else {
/* increase value by a factor of 1000 and print
* if result is something a human can read */
for (i = 0; i < 3; i++) {
powi *= 1000;
if (count / 1000 < powi) {
written = fprintf(fp, "%u.%u%c",
count / powi, count * 10 / powi % 10, *prefix);
break;
}
prefix++;
}
if (!prefix[1])
break;
++prefix;
}
do {
fputc(' ', fp);
} while (written++ < length);
snprintf(buf, sizeof(buf), "%.1f%c%s", (double) count / powi,
*prefix, use_iec ? "i" : "");
fprintf(fp, "%-*s", width, buf);
}
static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s,
@ -382,76 +355,45 @@ static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s,
/* RX stats */
fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
s->rx_compressed ? "compressed" : "", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human64(fp, 10, (uint64_t)s->rx_bytes);
print_human64(fp, 8, (uint64_t)s->rx_packets);
print_human64(fp, 7, (uint64_t)s->rx_errors);
print_human64(fp, 7, (uint64_t)s->rx_dropped);
print_human64(fp, 7, (uint64_t)s->rx_over_errors);
print_human64(fp, 7, (uint64_t)s->multicast);
if (s->rx_compressed)
print_human64(fp, 7, (uint64_t)s->rx_compressed);
} else {
fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
(uint64_t)s->rx_bytes,
(uint64_t)s->rx_packets,
(uint64_t)s->rx_errors,
(uint64_t)s->rx_dropped,
(uint64_t)s->rx_over_errors,
(uint64_t)s->multicast);
if (s->rx_compressed)
fprintf(fp, " %-7"PRIu64"",
(uint64_t)s->rx_compressed);
}
fprintf(fp, " ");
print_num(fp, 10, s->rx_bytes);
print_num(fp, 8, s->rx_packets);
print_num(fp, 7, s->rx_errors);
print_num(fp, 7, s->rx_dropped);
print_num(fp, 7, s->rx_over_errors);
print_num(fp, 7, s->multicast);
if (s->rx_compressed)
print_num(fp, 7, s->rx_compressed);
/* RX error stats */
if (show_stats > 1) {
fprintf(fp, "%s", _SL_);
fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human64(fp, 8, (uint64_t)s->rx_length_errors);
print_human64(fp, 7, (uint64_t)s->rx_crc_errors);
print_human64(fp, 7, (uint64_t)s->rx_frame_errors);
print_human64(fp, 7, (uint64_t)s->rx_fifo_errors);
print_human64(fp, 7, (uint64_t)s->rx_missed_errors);
} else {
fprintf(fp, " %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
(uint64_t)s->rx_length_errors,
(uint64_t)s->rx_crc_errors,
(uint64_t)s->rx_frame_errors,
(uint64_t)s->rx_fifo_errors,
(uint64_t)s->rx_missed_errors);
}
fprintf(fp, " ");
print_num(fp, 8, s->rx_length_errors);
print_num(fp, 7, s->rx_crc_errors);
print_num(fp, 7, s->rx_frame_errors);
print_num(fp, 7, s->rx_fifo_errors);
print_num(fp, 7, s->rx_missed_errors);
}
fprintf(fp, "%s", _SL_);
/* TX stats */
fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
(uint64_t)s->tx_compressed ? "compressed" : "", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human64(fp, 10, (uint64_t)s->tx_bytes);
print_human64(fp, 8, (uint64_t)s->tx_packets);
print_human64(fp, 7, (uint64_t)s->tx_errors);
print_human64(fp, 7, (uint64_t)s->tx_dropped);
print_human64(fp, 7, (uint64_t)s->tx_carrier_errors);
print_human64(fp, 7, (uint64_t)s->collisions);
if (s->tx_compressed)
print_human64(fp, 7, (uint64_t)s->tx_compressed);
} else {
fprintf(fp, " %-10"PRIu64" %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
(uint64_t)s->tx_bytes,
(uint64_t)s->tx_packets,
(uint64_t)s->tx_errors,
(uint64_t)s->tx_dropped,
(uint64_t)s->tx_carrier_errors,
(uint64_t)s->collisions);
if (s->tx_compressed)
fprintf(fp, " %-7"PRIu64"",
(uint64_t)s->tx_compressed);
}
s->tx_compressed ? "compressed" : "", _SL_);
fprintf(fp, " ");
print_num(fp, 10, s->tx_bytes);
print_num(fp, 8, s->tx_packets);
print_num(fp, 7, s->tx_errors);
print_num(fp, 7, s->tx_dropped);
print_num(fp, 7, s->tx_carrier_errors);
print_num(fp, 7, s->collisions);
if (s->tx_compressed)
print_num(fp, 7, s->tx_compressed);
/* TX error stats */
if (show_stats > 1) {
@ -460,24 +402,14 @@ static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s,
if (carrier_changes)
fprintf(fp, " transns");
fprintf(fp, "%s", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human64(fp, 8, (uint64_t)s->tx_aborted_errors);
print_human64(fp, 7, (uint64_t)s->tx_fifo_errors);
print_human64(fp, 7, (uint64_t)s->tx_window_errors);
print_human64(fp, 7, (uint64_t)s->tx_heartbeat_errors);
if (carrier_changes)
print_human64(fp, 7, (uint64_t)*(uint32_t*)RTA_DATA(carrier_changes));
} else {
fprintf(fp, " %-8"PRIu64" %-7"PRIu64" %-7"PRIu64" %-7"PRIu64"",
(uint64_t)s->tx_aborted_errors,
(uint64_t)s->tx_fifo_errors,
(uint64_t)s->tx_window_errors,
(uint64_t)s->tx_heartbeat_errors);
if (carrier_changes)
fprintf(fp, " %-7u",
*(uint32_t*)RTA_DATA(carrier_changes));
}
fprintf(fp, " ");
print_num(fp, 8, s->tx_aborted_errors);
print_num(fp, 7, s->tx_fifo_errors);
print_num(fp, 7, s->tx_window_errors);
print_num(fp, 7, s->tx_heartbeat_errors);
if (carrier_changes)
print_num(fp, 7, *(uint32_t*)RTA_DATA(carrier_changes));
}
}
@ -487,67 +419,44 @@ static void print_link_stats32(FILE *fp, const struct rtnl_link_stats *s,
/* RX stats */
fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
s->rx_compressed ? "compressed" : "", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human32(fp, 10, s->rx_bytes);
print_human32(fp, 8, s->rx_packets);
print_human32(fp, 7, s->rx_errors);
print_human32(fp, 7, s->rx_dropped);
print_human32(fp, 7, s->rx_over_errors);
print_human32(fp, 7, s->multicast);
if (s->rx_compressed)
print_human32(fp, 7, s->rx_compressed);
} else {
fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
s->rx_bytes, s->rx_packets, s->rx_errors,
s->rx_dropped, s->rx_over_errors,
s->multicast);
if (s->rx_compressed)
fprintf(fp, " %-7u", s->rx_compressed);
}
fprintf(fp, " ");
print_num(fp, 10, s->rx_bytes);
print_num(fp, 8, s->rx_packets);
print_num(fp, 7, s->rx_errors);
print_num(fp, 7, s->rx_dropped);
print_num(fp, 7, s->rx_over_errors);
print_num(fp, 7, s->multicast);
if (s->rx_compressed)
print_num(fp, 7, s->rx_compressed);
/* RX error stats */
if (show_stats > 1) {
fprintf(fp, "%s", _SL_);
fprintf(fp, " RX errors: length crc frame fifo missed%s", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human32(fp, 8, s->rx_length_errors);
print_human32(fp, 7, s->rx_crc_errors);
print_human32(fp, 7, s->rx_frame_errors);
print_human32(fp, 7, s->rx_fifo_errors);
print_human32(fp, 7, s->rx_missed_errors);
} else {
fprintf(fp, " %-8u %-7u %-7u %-7u %-7u",
s->rx_length_errors,
s->rx_crc_errors,
s->rx_frame_errors,
s->rx_fifo_errors,
s->rx_missed_errors);
}
fprintf(fp, " ");
print_num(fp, 8, s->rx_length_errors);
print_num(fp, 7, s->rx_crc_errors);
print_num(fp, 7, s->rx_frame_errors);
print_num(fp, 7, s->rx_fifo_errors);
print_num(fp, 7, s->rx_missed_errors);
}
fprintf(fp, "%s", _SL_);
/* TX stats */
fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
s->tx_compressed ? "compressed" : "", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human32(fp, 10, s->tx_bytes);
print_human32(fp, 8, s->tx_packets);
print_human32(fp, 7, s->tx_errors);
print_human32(fp, 7, s->tx_dropped);
print_human32(fp, 7, s->tx_carrier_errors);
print_human32(fp, 7, s->collisions);
if (s->tx_compressed)
print_human32(fp, 7, s->tx_compressed);
} else {
fprintf(fp, " %-10u %-8u %-7u %-7u %-7u %-7u",
s->tx_bytes, s->tx_packets, s->tx_errors,
s->tx_dropped, s->tx_carrier_errors, s->collisions);
if (s->tx_compressed)
fprintf(fp, " %-7u", s->tx_compressed);
}
fprintf(fp, " ");
print_num(fp, 10, s->tx_bytes);
print_num(fp, 8, s->tx_packets);
print_num(fp, 7, s->tx_errors);
print_num(fp, 7, s->tx_dropped);
print_num(fp, 7, s->tx_carrier_errors);
print_num(fp, 7, s->collisions);
if (s->tx_compressed)
print_num(fp, 7, s->tx_compressed);
/* TX error stats */
if (show_stats > 1) {
@ -556,24 +465,14 @@ static void print_link_stats32(FILE *fp, const struct rtnl_link_stats *s,
if (carrier_changes)
fprintf(fp, " transns");
fprintf(fp, "%s", _SL_);
if (human_readable) {
fprintf(fp, " ");
print_human32(fp, 8, s->tx_aborted_errors);
print_human32(fp, 7, s->tx_fifo_errors);
print_human32(fp, 7, s->tx_window_errors);
print_human32(fp, 7, s->tx_heartbeat_errors);
if (carrier_changes)
print_human32(fp, 7, *(uint32_t*)RTA_DATA(carrier_changes));
} else {
fprintf(fp, " %-8u %-7u %-7u %-7u",
s->tx_aborted_errors,
s->tx_fifo_errors,
s->tx_window_errors,
s->tx_heartbeat_errors);
if (carrier_changes)
fprintf(fp, " %-7u",
*(uint32_t*)RTA_DATA(carrier_changes));
}
fprintf(fp, " ");
print_num(fp, 8, s->tx_aborted_errors);
print_num(fp, 7, s->tx_fifo_errors);
print_num(fp, 7, s->tx_window_errors);
print_num(fp, 7, s->tx_heartbeat_errors);
if (carrier_changes)
print_num(fp, 7, *(uint32_t*)RTA_DATA(carrier_changes));
}
}

22
man/man8/ip-link.8.in
View File

@ -661,11 +661,23 @@ specifies what group of devices to show.
.B up
only display running interfaces.
.SH "NOTES"
Human readable values are calculated with SI prefixes, so with a decimal
base, not binary. (This is unlike
.BR ifconfig (8)
, with uses binary prefix.) 1,000 bytes are 1 kB, 1,000 kB are 1 MB, ...
The show command has additional formatting options:
.TP
.BR "\-s" , " \-stats", " \-statistics"
output more statistics about packet usage.
.TP
.BR "\-d", " \-details"
output more detailed information.
.TP
.BR "\-h", " \-human", " \-human-readble"
output statistics with human readable values number followed by suffix
.TP
.BR "\-iec"
print human readable rates in IEC units (ie. 1K = 1024).
.SH "EXAMPLES"
.PP