https://github.com/torvalds/linux
Revision d5e51a10d21761faaf069cac6f1c0311cf332820 authored by Alex Williamson on 13 March 2013, 15:50:29 UTC, committed by Jeff Kirsher on 26 March 2013, 10:07:27 UTC
igb is ineffective at setting a lower total VFs because: int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs) { ... /* Shouldn't change if VFs already enabled */ if (dev->sriov->ctrl & PCI_SRIOV_CTRL_VFE) return -EBUSY; Swap init ordering. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
1 parent d0f63ac
Tip revision: d5e51a10d21761faaf069cac6f1c0311cf332820 authored by Alex Williamson on 13 March 2013, 15:50:29 UTC
igb: SR-IOV init reordering
igb: SR-IOV init reordering
Tip revision: d5e51a1
bloat-o-meter
#!/usr/bin/python
#
# Copyright 2004 Matt Mackall <mpm@selenic.com>
#
# inspired by perl Bloat-O-Meter (c) 1997 by Andi Kleen
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
import sys, os, re
if len(sys.argv) != 3:
sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0])
sys.exit(-1)
def getsizes(file):
sym = {}
for l in os.popen("nm --size-sort " + file).readlines():
size, type, name = l[:-1].split()
if type in "tTdDbBrR":
# strip generated symbols
if name[:6] == "__mod_": continue
# function names begin with '.' on 64-bit powerpc
if "." in name[1:]: name = "static." + name.split(".")[0]
sym[name] = sym.get(name, 0) + int(size, 16)
return sym
old = getsizes(sys.argv[1])
new = getsizes(sys.argv[2])
grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0
delta, common = [], {}
for a in old:
if a in new:
common[a] = 1
for name in old:
if name not in common:
remove += 1
down += old[name]
delta.append((-old[name], name))
for name in new:
if name not in common:
add += 1
up += new[name]
delta.append((new[name], name))
for name in common:
d = new.get(name, 0) - old.get(name, 0)
if d>0: grow, up = grow+1, up+d
if d<0: shrink, down = shrink+1, down-d
delta.append((d, name))
delta.sort()
delta.reverse()
print "add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \
(add, remove, grow, shrink, up, -down, up-down)
print "%-40s %7s %7s %+7s" % ("function", "old", "new", "delta")
for d, n in delta:
if d: print "%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d)
Computing file changes ...