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Rewrite vshPrintPinInfo

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Use virBitmapDataToString instead of constructing the ranges bit
by bit, remove the checking of parameters (that is already done
by the callers).

Let the callers choose the right bitmap, since there's only
one that uses this helper on a matrix-in-an-array.
This commit is contained in:
Ján Tomko 2015-03-26 15:24:09 +01:00
parent 1e715a8d08
commit 4c4b821ec3
1 changed files with 11 additions and 34 deletions
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45
tools/virsh-domain.c
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@ -6322,36 +6322,15 @@ static const vshCmdOptDef opts_vcpupin[] = {
* Helper function to print vcpupin info.
*/
static bool
vshPrintPinInfo(unsigned char *cpumaps, size_t cpumaplen,
int maxcpu, int vcpuindex)
vshPrintPinInfo(unsigned char *cpumap, size_t cpumaplen)
{
int cpu, lastcpu;
bool bit, lastbit, isInvert;
char *str = NULL;
if (!cpumaps || cpumaplen <= 0 || maxcpu <= 0 || vcpuindex < 0)
if (!(str = virBitmapDataToString(cpumap, cpumaplen)))
return false;
bit = lastbit = isInvert = false;
lastcpu = -1;
for (cpu = 0; cpu < maxcpu; cpu++) {
bit = VIR_CPU_USABLE(cpumaps, cpumaplen, vcpuindex, cpu);
isInvert = (bit ^ lastbit);
if (bit && isInvert) {
if (lastcpu == -1)
vshPrint(ctl, "%d", cpu);
else
vshPrint(ctl, ",%d", cpu);
lastcpu = cpu;
}
if (!bit && isInvert && lastcpu != cpu - 1)
vshPrint(ctl, "-%d", cpu - 1);
lastbit = bit;
}
if (bit && !isInvert)
vshPrint(ctl, "-%d", maxcpu - 1);
vshPrint(ctl, "%s", str);
VIR_FREE(str);
return true;
}
@ -6526,7 +6505,8 @@ cmdVcpuPin(vshControl *ctl, const vshCmd *cmd)
continue;
vshPrint(ctl, "%4zu: ", i);
ret = vshPrintPinInfo(cpumap, cpumaplen, maxcpu, i);
ret = vshPrintPinInfo(VIR_GET_CPUMAP(cpumap, cpumaplen, i),
cpumaplen);
vshPrint(ctl, "\n");
if (!ret)
break;
@ -6599,7 +6579,6 @@ cmdEmulatorPin(vshControl *ctl, const vshCmd *cmd)
const char *cpulist = NULL;
bool ret = false;
unsigned char *cpumap = NULL;
unsigned char *cpumaps = NULL;
size_t cpumaplen;
int maxcpu;
bool config = vshCommandOptBool(cmd, "config");
@ -6642,16 +6621,15 @@ cmdEmulatorPin(vshControl *ctl, const vshCmd *cmd)
if (flags == -1)
flags = VIR_DOMAIN_AFFECT_CURRENT;
cpumaps = vshMalloc(ctl, cpumaplen);
if (virDomainGetEmulatorPinInfo(dom, cpumaps,
cpumap = vshMalloc(ctl, cpumaplen);
if (virDomainGetEmulatorPinInfo(dom, cpumap,
cpumaplen, flags) >= 0) {
vshPrintExtra(ctl, "%s %s\n", _("emulator:"), _("CPU Affinity"));
vshPrintExtra(ctl, "----------------------------------\n");
vshPrintExtra(ctl, " *: ");
ret = vshPrintPinInfo(cpumaps, cpumaplen, maxcpu, 0);
ret = vshPrintPinInfo(cpumap, cpumaplen);
vshPrint(ctl, "\n");
}
VIR_FREE(cpumaps);
goto cleanup;
}
@ -6865,8 +6843,7 @@ cmdIOThreadInfo(vshControl *ctl, const vshCmd *cmd)
for (i = 0; i < niothreads; i++) {
vshPrint(ctl, " %-15u ", info[i]->iothread_id);
ignore_value(vshPrintPinInfo(info[i]->cpumap, info[i]->cpumaplen,
maxcpu, 0));
ignore_value(vshPrintPinInfo(info[i]->cpumap, info[i]->cpumaplen));
vshPrint(ctl, "\n");
virDomainIOThreadInfoFree(info[i]);
}