projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| cb323159 A |
1 | from xnu import * |
| 2 | from scheduler import GetRecentTimestamp | |
| 3 | import xnudefines | |
| 4 | ||
| 5 | ulock_types = { | |
| 6 | 1: "COMPARE_AND_WAIT", | |
| 7 | 2: "UNFAIR_LOCK", | |
| 8 | 3: "UNFAIR_LOCK64_SHARED", | |
| 9 | 4: "COMPARE_AND_WAIT64", | |
| 10 | 5: "COMPARE_AND_WAIT64_SHARED" | |
| 11 | } | |
| 12 | ||
| 13 | @header("{:<20s} {:<20s} {:<20s} {:<10s} {:<20s} {:<20s} {:<20s}".format( | |
| 14 | 'ull_t', 'kind', 'addr/obj', 'pid/offs', 'owner', 'turnstile', 'waiters')) | |
| 15 | def GetUlockSummary(ull): | |
| 16 | code = int(ull.ull_opcode) | |
| 17 | if ulock_types.has_key(code): | |
| 18 | ull_type = ulock_types[code] | |
| 19 | else: | |
| 20 | ull_type = "{:#x}".format(code) | |
| 21 | ||
| 22 | s = "{ull: <#20x} {ull_type: <20s}".format(ull=ull, ull_type=ull_type) | |
| 23 | ulk=ull.ull_key | |
| 24 | if int(ulk.ulk_key_type) is 1: | |
| 25 | s += " {ulk.ulk_addr: <#20x} {ulk.ulk_pid: <10d}".format(ulk=ulk) | |
| 26 | elif int(ulk.ulk_key_type) is 2: | |
| 27 | s += " {ulk.ulk_object: <#20x} {ulk.ulk_offset: <10d}".format(ulk=ulk) | |
| 28 | else: | |
| 29 | s += " {:<20s} {:<10s}".format("", "") | |
| 30 | ||
| 31 | return s + " {ull.ull_owner: <#20x} {ull.ull_turnstile: <#20x} {ull.ull_nwaiters: >7d}".format(ull=ull) | |
| 32 | ||
| 33 | @lldb_command('showallulocks', fancy=True) | |
| 34 | def ShowAllUlocks(cmd_args=None, cmd_options={}, O=None): | |
| 35 | """ Display a summary of all the ulocks in the system | |
| 36 | ||
| 37 | usage: showallulocks | |
| 38 | """ | |
| 39 | ||
| 40 | with O.table(GetUlockSummary.header): | |
| 41 | count = kern.globals.ull_hash_buckets; | |
| 42 | buckets = kern.globals.ull_bucket | |
| 43 | for i in xrange(0, count): | |
| 44 | for ull in IterateLinkageChain(addressof(buckets[i].ulb_head), 'ull_t *', 'ull_hash_link'): | |
| 45 | print GetUlockSummary(ull) |