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Fix errors in netem scheduler when using PSCHED_CLOCK_CPU, 

correct value before passing to kernel.

(Logical change 1.63)
This commit is contained in:
osdl.net!shemminger 2004-08-09 17:12:23 +00:00
parent cbe1a23dc4
commit 025dc69a25
2 changed files with 7 additions and 2 deletions
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2
ChangeLog
View File

@ -1,5 +1,7 @@
2004-08-09 Stephen Hemminger <shemminger@osdl.org>
* Fix netem scheduler to handle case where psched us != real us
* Remove configuration for everything that can depend on
extracted kernel headers
* Add kernel headers required to include/linux

7
tc/q_netem.c
View File

@ -42,6 +42,7 @@ static int netem_parse_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n)
{
struct tc_netem_qopt opt;
unsigned latency = 0;
int ok = 0;
memset(&opt, 0, sizeof(opt));
@ -57,7 +58,7 @@ static int netem_parse_opt(struct qdisc_util *qu, int argc, char **argv,
ok++;
} else if (matches(*argv, "latency") == 0) {
NEXT_ARG();
if (get_usecs(&opt.latency, *argv)) {
if (get_usecs(&latency, *argv)) {
explain1("latency");
return -1;
}
@ -101,6 +102,8 @@ static int netem_parse_opt(struct qdisc_util *qu, int argc, char **argv,
argc--; argv++;
}
opt.latency = tc_core_usec2tick(latency);
return ok ? addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt)) : 0;
}
@ -120,7 +123,7 @@ static int netem_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
fprintf(f, "limit %d", qopt->limit);
if (qopt->latency)
fprintf(f, " latency %s",
sprint_usecs(qopt->latency, b1));
sprint_usecs(tc_core_tick2usec(qopt->latency), b1));
if (qopt->jitter)
fprintf(f, " jitter %s", sprint_usecs(qopt->jitter, b1));