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mark.txt
pho (Peter Holm)
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pho
Oct 18 2019, 5:54 PM
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mark.txt
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This is a pristine r353733 kernel, where *only* uma_core.c was compiled with "-O0":
(kgdb) disassemble uma_vm_zone_stats
Dump of assembler code for function uma_vm_zone_stats:
0xffffffff80f13060 <uma_vm_zone_stats+0>: push %rbp
0xffffffff80f13061 <uma_vm_zone_stats+1>: mov %rsp,%rbp
0xffffffff80f13064 <uma_vm_zone_stats+4>: sub $0x40,%rsp
0xffffffff80f13068 <uma_vm_zone_stats+8>: mov %r8b,%al
0xffffffff80f1306b <uma_vm_zone_stats+11>: mov %rdi,-0x8(%rbp)
0xffffffff80f1306f <uma_vm_zone_stats+15>: mov %rsi,-0x10(%rbp)
0xffffffff80f13073 <uma_vm_zone_stats+19>: mov %rdx,-0x18(%rbp)
0xffffffff80f13077 <uma_vm_zone_stats+23>: mov %rcx,-0x20(%rbp)
0xffffffff80f1307b <uma_vm_zone_stats+27>: and $0x1,%al
0xffffffff80f1307d <uma_vm_zone_stats+29>: mov %al,-0x21(%rbp)
0xffffffff80f13080 <uma_vm_zone_stats+32>: movl $0x0,-0x3c(%rbp)
0xffffffff80f13087 <uma_vm_zone_stats+39>: mov -0x3c(%rbp),%eax
0xffffffff80f1308a <uma_vm_zone_stats+42>: mov 0xffffffff818018f0,%ecx
0xffffffff80f13091 <uma_vm_zone_stats+49>: cmp %ecx,%eax
0xffffffff80f13093 <uma_vm_zone_stats+51>: jge 0xffffffff80f130d7 <uma_vm_zone_stats+119>
0xffffffff80f13099 <uma_vm_zone_stats+57>: mov -0x10(%rbp),%rax
0xffffffff80f1309d <uma_vm_zone_stats+61>: mov 0x8(%rax),%rax
0xffffffff80f130a1 <uma_vm_zone_stats+65>: movslq -0x3c(%rbp),%rcx
0xffffffff80f130a5 <uma_vm_zone_stats+69>: imul $0x30,%rcx,%rcx
0xffffffff80f130a9 <uma_vm_zone_stats+73>: add %rcx,%rax
0xffffffff80f130ac <uma_vm_zone_stats+76>: mov %rax,-0x30(%rbp)
0xffffffff80f130b0 <uma_vm_zone_stats+80>: mov -0x30(%rbp),%rax
0xffffffff80f130b4 <uma_vm_zone_stats+84>: mov 0x10(%rax),%rax
0xffffffff80f130b8 <uma_vm_zone_stats+88>: mov -0x8(%rbp),%rcx
0xffffffff80f130bc <uma_vm_zone_stats+92>: mov 0x3c(%rcx),%edx
0xffffffff80f130bf <uma_vm_zone_stats+95>: mov %edx,%esi
0xffffffff80f130c1 <uma_vm_zone_stats+97>: add %rax,%rsi
0xffffffff80f130c4 <uma_vm_zone_stats+100>: mov %esi,%edx
0xffffffff80f130c6 <uma_vm_zone_stats+102>: mov %edx,0x3c(%rcx)
0xffffffff80f130c9 <uma_vm_zone_stats+105>: mov -0x3c(%rbp),%eax
0xffffffff80f130cc <uma_vm_zone_stats+108>: add $0x1,%eax
0xffffffff80f130cf <uma_vm_zone_stats+111>: mov %eax,-0x3c(%rbp)
0xffffffff80f130d2 <uma_vm_zone_stats+114>: jmpq 0xffffffff80f13087 <uma_vm_zone_stats+39>
0xffffffff80f130d7 <uma_vm_zone_stats+119>: mov -0x10(%rbp),%rax
0xffffffff80f130db <uma_vm_zone_stats+123>: mov 0xf8(%rax),%rdi
0xffffffff80f130e2 <uma_vm_zone_stats+130>: callq 0xffffffff80c13f20 <counter_u64_fetch>
0xffffffff80f130e7 <uma_vm_zone_stats+135>: mov -0x8(%rbp),%rdi
0xffffffff80f130eb <uma_vm_zone_stats+139>: mov %rax,0x48(%rdi)
0xffffffff80f130ef <uma_vm_zone_stats+143>: mov -0x10(%rbp),%rax
0xffffffff80f130f3 <uma_vm_zone_stats+147>: mov 0x100(%rax),%rdi
0xffffffff80f130fa <uma_vm_zone_stats+154>: callq 0xffffffff80c13f20 <counter_u64_fetch>
0xffffffff80f130ff <uma_vm_zone_stats+159>: mov -0x8(%rbp),%rdi
0xffffffff80f13103 <uma_vm_zone_stats+163>: mov %rax,0x50(%rdi)
0xffffffff80f13107 <uma_vm_zone_stats+167>: mov -0x10(%rbp),%rax
0xffffffff80f1310b <uma_vm_zone_stats+171>: mov 0x108(%rax),%rdi
0xffffffff80f13112 <uma_vm_zone_stats+178>: callq 0xffffffff80c13f20 <counter_u64_fetch>
0xffffffff80f13117 <uma_vm_zone_stats+183>: mov -0x8(%rbp),%rdi
0xffffffff80f1311b <uma_vm_zone_stats+187>: mov %rax,0x58(%rdi)
0xffffffff80f1311f <uma_vm_zone_stats+191>: mov -0x10(%rbp),%rax
0xffffffff80f13123 <uma_vm_zone_stats+195>: mov 0x110(%rax),%rax
0xffffffff80f1312a <uma_vm_zone_stats+202>: mov -0x8(%rbp),%rdi
0xffffffff80f1312e <uma_vm_zone_stats+206>: mov %rax,0x60(%rdi)
0xffffffff80f13132 <uma_vm_zone_stats+210>: mov -0x10(%rbp),%rax
0xffffffff80f13136 <uma_vm_zone_stats+214>: mov 0x118(%rax),%rax
0xffffffff80f1313d <uma_vm_zone_stats+221>: mov -0x8(%rbp),%rdi
0xffffffff80f13141 <uma_vm_zone_stats+225>: mov %rax,0x68(%rdi)
0xffffffff80f13145 <uma_vm_zone_stats+229>: movl $0x0,-0x3c(%rbp)
0xffffffff80f1314c <uma_vm_zone_stats+236>: mov -0x3c(%rbp),%eax
0xffffffff80f1314f <uma_vm_zone_stats+239>: mov 0xffffffff81dd6218,%ecx
0xffffffff80f13156 <uma_vm_zone_stats+246>: add $0x1,%ecx
0xffffffff80f13159 <uma_vm_zone_stats+249>: cmp %ecx,%eax
0xffffffff80f1315b <uma_vm_zone_stats+251>: jae 0xffffffff80f132e6 <uma_vm_zone_stats+646>
0xffffffff80f13161 <uma_vm_zone_stats+257>: xor %eax,%eax
0xffffffff80f13163 <uma_vm_zone_stats+259>: mov -0x20(%rbp),%rcx
0xffffffff80f13167 <uma_vm_zone_stats+263>: movslq -0x3c(%rbp),%rdx
0xffffffff80f1316b <uma_vm_zone_stats+267>: shl $0x6,%rdx
0xffffffff80f1316f <uma_vm_zone_stats+271>: add %rdx,%rcx
0xffffffff80f13172 <uma_vm_zone_stats+274>: movq $0x0,0x38(%rcx)
0xffffffff80f1317a <uma_vm_zone_stats+282>: movq $0x0,0x30(%rcx)
0xffffffff80f13182 <uma_vm_zone_stats+290>: movq $0x0,0x28(%rcx)
0xffffffff80f1318a <uma_vm_zone_stats+298>: movq $0x0,0x20(%rcx)
0xffffffff80f13192 <uma_vm_zone_stats+306>: movq $0x0,0x18(%rcx)
0xffffffff80f1319a <uma_vm_zone_stats+314>: movq $0x0,0x10(%rcx)
0xffffffff80f131a2 <uma_vm_zone_stats+322>: movq $0x0,0x8(%rcx)
0xffffffff80f131aa <uma_vm_zone_stats+330>: movq $0x0,(%rcx)
0xffffffff80f131b1 <uma_vm_zone_stats+337>: testb $0x1,-0x21(%rbp)
0xffffffff80f131b5 <uma_vm_zone_stats+341>: mov %eax,-0x40(%rbp)
0xffffffff80f131b8 <uma_vm_zone_stats+344>: jne 0xffffffff80f131ee <uma_vm_zone_stats+398>
0xffffffff80f131be <uma_vm_zone_stats+350>: movslq -0x3c(%rbp),%rax
0xffffffff80f131c2 <uma_vm_zone_stats+354>: shr $0x6,%rax
0xffffffff80f131c6 <uma_vm_zone_stats+358>: lea -0x7e229e50(,%rax,8),%rax
0xffffffff80f131ce <uma_vm_zone_stats+366>: mov (%rax),%rax
0xffffffff80f131d1 <uma_vm_zone_stats+369>: movslq -0x3c(%rbp),%rcx
0xffffffff80f131d5 <uma_vm_zone_stats+373>: and $0x3f,%rcx
0xffffffff80f131d9 <uma_vm_zone_stats+377>: mov $0x1,%edx
0xffffffff80f131de <uma_vm_zone_stats+382>: shl %cl,%rdx
0xffffffff80f131e1 <uma_vm_zone_stats+385>: and %rdx,%rax
0xffffffff80f131e4 <uma_vm_zone_stats+388>: cmp $0x0,%rax
0xffffffff80f131e8 <uma_vm_zone_stats+392>: jne 0xffffffff80f131f3 <uma_vm_zone_stats+403>
0xffffffff80f131ee <uma_vm_zone_stats+398>: jmpq 0xffffffff80f132d8 <uma_vm_zone_stats+632>
0xffffffff80f131f3 <uma_vm_zone_stats+403>: mov -0x10(%rbp),%rax
0xffffffff80f131f7 <uma_vm_zone_stats+407>: add $0x180,%rax
0xffffffff80f131fd <uma_vm_zone_stats+413>: movslq -0x3c(%rbp),%rcx
0xffffffff80f13201 <uma_vm_zone_stats+417>: shl $0x7,%rcx
0xffffffff80f13205 <uma_vm_zone_stats+421>: add %rcx,%rax
0xffffffff80f13208 <uma_vm_zone_stats+424>: mov %rax,-0x38(%rbp)
0xffffffff80f1320c <uma_vm_zone_stats+428>: mov -0x38(%rbp),%rax
0xffffffff80f13210 <uma_vm_zone_stats+432>: cmpq $0x0,0x8(%rax)
0xffffffff80f13215 <uma_vm_zone_stats+437>: je 0xffffffff80f1323f <uma_vm_zone_stats+479>
0xffffffff80f1321b <uma_vm_zone_stats+443>: mov -0x38(%rbp),%rax
0xffffffff80f1321f <uma_vm_zone_stats+447>: mov 0x8(%rax),%rax
0xffffffff80f13223 <uma_vm_zone_stats+451>: movswq 0x10(%rax),%rax
0xffffffff80f13228 <uma_vm_zone_stats+456>: mov -0x20(%rbp),%rcx
0xffffffff80f1322c <uma_vm_zone_stats+460>: movslq -0x3c(%rbp),%rdx
0xffffffff80f13230 <uma_vm_zone_stats+464>: shl $0x6,%rdx
0xffffffff80f13234 <uma_vm_zone_stats+468>: add %rdx,%rcx
0xffffffff80f13237 <uma_vm_zone_stats+471>: add 0x10(%rcx),%rax
0xffffffff80f1323b <uma_vm_zone_stats+475>: mov %rax,0x10(%rcx)
0xffffffff80f1323f <uma_vm_zone_stats+479>: mov -0x38(%rbp),%rax
0xffffffff80f13243 <uma_vm_zone_stats+483>: cmpq $0x0,(%rax)
0xffffffff80f13247 <uma_vm_zone_stats+487>: je 0xffffffff80f13270 <uma_vm_zone_stats+528>
0xffffffff80f1324d <uma_vm_zone_stats+493>: mov -0x38(%rbp),%rax
0xffffffff80f13251 <uma_vm_zone_stats+497>: mov (%rax),%rax
0xffffffff80f13254 <uma_vm_zone_stats+500>: movswq 0x10(%rax),%rax
0xffffffff80f13259 <uma_vm_zone_stats+505>: mov -0x20(%rbp),%rcx
0xffffffff80f1325d <uma_vm_zone_stats+509>: movslq -0x3c(%rbp),%rdx
0xffffffff80f13261 <uma_vm_zone_stats+513>: shl $0x6,%rdx
0xffffffff80f13265 <uma_vm_zone_stats+517>: add %rdx,%rcx
0xffffffff80f13268 <uma_vm_zone_stats+520>: add 0x10(%rcx),%rax
0xffffffff80f1326c <uma_vm_zone_stats+524>: mov %rax,0x10(%rcx)
0xffffffff80f13270 <uma_vm_zone_stats+528>: mov -0x38(%rbp),%rax
0xffffffff80f13274 <uma_vm_zone_stats+532>: cmpq $0x0,0x10(%rax)
0xffffffff80f13279 <uma_vm_zone_stats+537>: je 0xffffffff80f132a3 <uma_vm_zone_stats+579>
0xffffffff80f1327f <uma_vm_zone_stats+543>: mov -0x38(%rbp),%rax
0xffffffff80f13283 <uma_vm_zone_stats+547>: mov 0x10(%rax),%rax
0xffffffff80f13287 <uma_vm_zone_stats+551>: movswq 0x10(%rax),%rax
0xffffffff80f1328c <uma_vm_zone_stats+556>: mov -0x20(%rbp),%rcx
0xffffffff80f13290 <uma_vm_zone_stats+560>: movslq -0x3c(%rbp),%rdx
0xffffffff80f13294 <uma_vm_zone_stats+564>: shl $0x6,%rdx
0xffffffff80f13298 <uma_vm_zone_stats+568>: add %rdx,%rcx
0xffffffff80f1329b <uma_vm_zone_stats+571>: add 0x10(%rcx),%rax
0xffffffff80f1329f <uma_vm_zone_stats+575>: mov %rax,0x10(%rcx)
0xffffffff80f132a3 <uma_vm_zone_stats+579>: mov -0x38(%rbp),%rax
0xffffffff80f132a7 <uma_vm_zone_stats+583>: mov 0x18(%rax),%rax
0xffffffff80f132ab <uma_vm_zone_stats+587>: mov -0x20(%rbp),%rcx
0xffffffff80f132af <uma_vm_zone_stats+591>: movslq -0x3c(%rbp),%rdx
0xffffffff80f132b3 <uma_vm_zone_stats+595>: shl $0x6,%rdx
0xffffffff80f132b7 <uma_vm_zone_stats+599>: add %rdx,%rcx
0xffffffff80f132ba <uma_vm_zone_stats+602>: mov %rax,(%rcx)
0xffffffff80f132bd <uma_vm_zone_stats+605>: mov -0x38(%rbp),%rax
0xffffffff80f132c1 <uma_vm_zone_stats+609>: mov 0x20(%rax),%rax
0xffffffff80f132c5 <uma_vm_zone_stats+613>: mov -0x20(%rbp),%rcx
0xffffffff80f132c9 <uma_vm_zone_stats+617>: movslq -0x3c(%rbp),%rdx
0xffffffff80f132cd <uma_vm_zone_stats+621>: shl $0x6,%rdx
0xffffffff80f132d1 <uma_vm_zone_stats+625>: add %rdx,%rcx
0xffffffff80f132d4 <uma_vm_zone_stats+628>: mov %rax,0x8(%rcx)
0xffffffff80f132d8 <uma_vm_zone_stats+632>: mov -0x3c(%rbp),%eax
0xffffffff80f132db <uma_vm_zone_stats+635>: add $0x1,%eax
0xffffffff80f132de <uma_vm_zone_stats+638>: mov %eax,-0x3c(%rbp)
0xffffffff80f132e1 <uma_vm_zone_stats+641>: jmpq 0xffffffff80f1314c <uma_vm_zone_stats+236>
0xffffffff80f132e6 <uma_vm_zone_stats+646>: add $0x40,%rsp
0xffffffff80f132ea <uma_vm_zone_stats+650>: pop %rbp
0xffffffff80f132eb <uma_vm_zone_stats+651>: retq
End of assembler dump.

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