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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-16 06:42:40 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-16 06:42:40 +0300 |
commit | 7c225c69f86c934e3be9be63ecde754e286838d7 (patch) | |
tree | ff2df419b0c4886b37407235f7d21215e4cf45e4 /scripts | |
parent | 6363b3f3ac5be096d08c8c504128befa0c033529 (diff) | |
parent | 1b7176aea0a924ac59c6a283129d3e8eb00aa915 (diff) | |
download | linux-7c225c69f86c934e3be9be63ecde754e286838d7.tar.xz |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:
- a few misc bits
- ocfs2 updates
- almost all of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (131 commits)
memory hotplug: fix comments when adding section
mm: make alloc_node_mem_map a void call if we don't have CONFIG_FLAT_NODE_MEM_MAP
mm: simplify nodemask printing
mm,oom_reaper: remove pointless kthread_run() error check
mm/page_ext.c: check if page_ext is not prepared
writeback: remove unused function parameter
mm: do not rely on preempt_count in print_vma_addr
mm, sparse: do not swamp log with huge vmemmap allocation failures
mm/hmm: remove redundant variable align_end
mm/list_lru.c: mark expected switch fall-through
mm/shmem.c: mark expected switch fall-through
mm/page_alloc.c: broken deferred calculation
mm: don't warn about allocations which stall for too long
fs: fuse: account fuse_inode slab memory as reclaimable
mm, page_alloc: fix potential false positive in __zone_watermark_ok
mm: mlock: remove lru_add_drain_all()
mm, sysctl: make NUMA stats configurable
shmem: convert shmem_init_inodecache() to void
Unify migrate_pages and move_pages access checks
mm, pagevec: rename pagevec drained field
...
Diffstat (limited to 'scripts')
-rwxr-xr-x | scripts/bloat-o-meter | 89 | ||||
-rwxr-xr-x | scripts/kernel-doc | 2 |
2 files changed, 55 insertions, 36 deletions
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter index a27677146410..6f099f915dcf 100755 --- a/scripts/bloat-o-meter +++ b/scripts/bloat-o-meter @@ -12,18 +12,22 @@ from signal import signal, SIGPIPE, SIG_DFL signal(SIGPIPE, SIG_DFL) -if len(sys.argv) != 3: - sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0]) +if len(sys.argv) < 3: + sys.stderr.write("usage: %s [option] file1 file2\n" % sys.argv[0]) + sys.stderr.write("The options are:\n") + sys.stderr.write("-c cateogrize output based on symbole type\n") + sys.stderr.write("-d Show delta of Data Section\n") + sys.stderr.write("-t Show delta of text Section\n") sys.exit(-1) re_NUMBER = re.compile(r'\.[0-9]+') -def getsizes(file): +def getsizes(file, format): sym = {} with os.popen("nm --size-sort " + file) as f: for line in f: size, type, name = line.split() - if type in "tTdDbBrR": + if type in format: # strip generated symbols if name.startswith("__mod_"): continue if name.startswith("SyS_"): continue @@ -34,44 +38,61 @@ def getsizes(file): 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 = [], {} -otot, ntot = 0, 0 +def calc(oldfile, newfile, format): + old = getsizes(oldfile, format) + new = getsizes(newfile, format) + grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0 + delta, common = [], {} + otot, ntot = 0, 0 -for a in old: - if a in new: - common[a] = 1 + for a in old: + if a in new: + common[a] = 1 -for name in old: - otot += old[name] - if name not in common: - remove += 1 - down += old[name] - delta.append((-old[name], name)) + for name in old: + otot += old[name] + if name not in common: + remove += 1 + down += old[name] + delta.append((-old[name], name)) -for name in new: - ntot += new[name] - if name not in common: - add += 1 - up += new[name] - delta.append((new[name], name)) + for name in new: + ntot += new[name] + if name not in common: + add += 1 + up += new[name] + delta.append((new[name], name)) -for name in common: + 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() + delta.sort() + delta.reverse() + return grow, shrink, add, remove, up, down, delta, old, new, otot, ntot -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)) +def print_result(symboltype, symbolformat, argc): + grow, shrink, add, remove, up, down, delta, old, new, otot, ntot = \ + calc(sys.argv[argc - 1], sys.argv[argc], symbolformat) -print("Total: Before=%d, After=%d, chg %+.2f%%" % \ - (otot, ntot, (ntot - otot)*100.0/otot)) + 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" % (symboltype, "old", "new", "delta")) + for d, n in delta: + if d: print("%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d)) + + print("Total: Before=%d, After=%d, chg %+.2f%%" % \ + (otot, ntot, (ntot - otot)*100.0/otot)) + +if sys.argv[1] == "-c": + print_result("Function", "tT", 3) + print_result("Data", "dDbB", 3) + print_result("RO Data", "rR", 3) +elif sys.argv[1] == "-d": + print_result("Data", "dDbBrR", 3) +elif sys.argv[1] == "-t": + print_result("Function", "tT", 3) +else: + print_result("Function", "tTdDbBrR", 2) diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 67d051edd615..7bd52b8f63d4 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -2182,8 +2182,6 @@ sub dump_struct($$) { # strip comments: $members =~ s/\/\*.*?\*\///gos; $nested =~ s/\/\*.*?\*\///gos; - # strip kmemcheck_bitfield_{begin,end}.*; - $members =~ s/kmemcheck_bitfield_.*?;//gos; # strip attributes $members =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//i; $members =~ s/__aligned\s*\([^;]*\)//gos; |