# SPDX-License-Identifier: GPL-2.0

from __future__ import print_function

data    = {}
times   = []
threads = []
cpus    = []

def get_key(time, event, cpu, thread):
    return "%d-%s-%d-%d" % (time, event, cpu, thread)

def store_key(time, cpu, thread):
    if (time not in times):
        times.append(time)

    if (cpu not in cpus):
        cpus.append(cpu)

    if (thread not in threads):
        threads.append(thread)

def store(time, event, cpu, thread, val, ena, run):
    #print("event %s cpu %d, thread %d, time %d, val %d, ena %d, run %d" %
    #      (event, cpu, thread, time, val, ena, run))

    store_key(time, cpu, thread)
    key = get_key(time, event, cpu, thread)
    data[key] = [ val, ena, run]

def get(time, event, cpu, thread):
    key = get_key(time, event, cpu, thread)
    return data[key][0]

def stat__cycles_k(cpu, thread, time, val, ena, run):
    store(time, "cycles", cpu, thread, val, ena, run);

def stat__instructions_k(cpu, thread, time, val, ena, run):
    store(time, "instructions", cpu, thread, val, ena, run);

def stat__cycles_u(cpu, thread, time, val, ena, run):
    store(time, "cycles", cpu, thread, val, ena, run);

def stat__instructions_u(cpu, thread, time, val, ena, run):
    store(time, "instructions", cpu, thread, val, ena, run);

def stat__cycles(cpu, thread, time, val, ena, run):
    store(time, "cycles", cpu, thread, val, ena, run);

def stat__instructions(cpu, thread, time, val, ena, run):
    store(time, "instructions", cpu, thread, val, ena, run);

def stat__interval(time):
    for cpu in cpus:
        for thread in threads:
            cyc = get(time, "cycles", cpu, thread)
            ins = get(time, "instructions", cpu, thread)
            cpi = 0

            if ins != 0:
                cpi = cyc/float(ins)

            print("%15f: cpu %d, thread %d -> cpi %f (%d/%d)" % (time/(float(1000000000)), cpu, thread, cpi, cyc, ins))

def trace_end():
    pass
# XXX trace_end callback could be used as an alternative place
#     to compute same values as in the script above:
#
#    for time in times:
#        for cpu in cpus:
#            for thread in threads:
#                cyc = get(time, "cycles", cpu, thread)
#                ins = get(time, "instructions", cpu, thread)
#
#                if ins != 0:
#                    cpi = cyc/float(ins)
#
#                print("time %.9f, cpu %d, thread %d -> cpi %f" % (time/(float(1000000000)), cpu, thread, cpi))
-2.6.38.y'>linux-2.6.38.y</option>
<option value='linux-2.6.39.y'>linux-2.6.39.y</option>
<option value='linux-3.0.y'>linux-3.0.y</option>
<option value='linux-3.1.y'>linux-3.1.y</option>
<option value='linux-3.10.y'>linux-3.10.y</option>
<option value='linux-3.11.y'>linux-3.11.y</option>
<option value='linux-3.12.y'>linux-3.12.y</option>
<option value='linux-3.13.y'>linux-3.13.y</option>
<option value='linux-3.14.y'>linux-3.14.y</option>
<option value='linux-3.15.y'>linux-3.15.y</option>
<option value='linux-3.16.y'>linux-3.16.y</option>
<option value='linux-3.17.y'>linux-3.17.y</option>
<option value='linux-3.18.y'>linux-3.18.y</option>
<option value='linux-3.19.y'>linux-3.19.y</option>
<option value='linux-3.2.y'>linux-3.2.y</option>
<option value='linux-3.3.y'>linux-3.3.y</option>
<option value='linux-3.4.y'>linux-3.4.y</option>
<option value='linux-3.5.y'>linux-3.5.y</option>
<option value='linux-3.6.y'>linux-3.6.y</option>
<option value='linux-3.7.y'>linux-3.7.y</option>
<option value='linux-3.8.y'>linux-3.8.y</option>
<option value='linux-3.9.y'>linux-3.9.y</option>
<option value='linux-4.0.y'>linux-4.0.y</option>
<option value='linux-4.1.y'>linux-4.1.y</option>
<option value='linux-4.10.y'>linux-4.10.y</option>
<option value='linux-4.11.y'>linux-4.11.y</option>
<option value='linux-4.12.y'>linux-4.12.y</option>
<option value='linux-4.13.y'>linux-4.13.y</option>
<option value='linux-4.14.y'>linux-4.14.y</option>
<option value='linux-4.15.y'>linux-4.15.y</option>
<option value='linux-4.16.y'>linux-4.16.y</option>
<option value='linux-4.17.y'>linux-4.17.y</option>
<option value='linux-4.18.y'>linux-4.18.y</option>
<option value='linux-4.19.y'>linux-4.19.y</option>
<option value='linux-4.2.y'>linux-4.2.y</option>
<option value='linux-4.20.y'>linux-4.20.y</option>
<option value='linux-4.3.y'>linux-4.3.y</option>
<option value='linux-4.4.y'>linux-4.4.y</option>
<option value='linux-4.5.y'>linux-4.5.y</option>
<option value='linux-4.6.y'>linux-4.6.y</option>
<option value='linux-4.7.y'>linux-4.7.y</option>
<option value='linux-4.8.y'>linux-4.8.y</option>
<option value='linux-4.9.y'>linux-4.9.y</option>
<option value='linux-5.0.y'>linux-5.0.y</option>
<option value='linux-5.1.y'>linux-5.1.y</option>
<option value='linux-5.10.y'>linux-5.10.y</option>
<option value='linux-5.11.y'>linux-5.11.y</option>
<option value='linux-5.12.y'>linux-5.12.y</option>
<option value='linux-5.13.y'>linux-5.13.y</option>
<option value='linux-5.14.y'>linux-5.14.y</option>
<option value='linux-5.15.y'>linux-5.15.y</option>
<option value='linux-5.16.y'>linux-5.16.y</option>
<option value='linux-5.17.y'>linux-5.17.y</option>
<option value='linux-5.18.y'>linux-5.18.y</option>
<option value='linux-5.19.y'>linux-5.19.y</option>
<option value='linux-5.2.y'>linux-5.2.y</option>
<option value='linux-5.3.y'>linux-5.3.y</option>
<option value='linux-5.4.y'>linux-5.4.y</option>
<option value='linux-5.5.y'>linux-5.5.y</option>
<option value='linux-5.6.y'>linux-5.6.y</option>
<option value='linux-5.7.y'>linux-5.7.y</option>
<option value='linux-5.8.y'>linux-5.8.y</option>
<option value='linux-5.9.y'>linux-5.9.y</option>
<option value='linux-6.0.y'>linux-6.0.y</option>
<option value='linux-6.1.y'>linux-6.1.y</option>
<option value='linux-6.10.y'>linux-6.10.y</option>
<option value='linux-6.11.y'>linux-6.11.y</option>
<option value='linux-6.12.y'>linux-6.12.y</option>
<option value='linux-6.13.y'>linux-6.13.y</option>
<option value='linux-6.14.y'>linux-6.14.y</option>
<option value='linux-6.15.y'>linux-6.15.y</option>
<option value='linux-6.16.y'>linux-6.16.y</option>
<option value='linux-6.17.y'>linux-6.17.y</option>
<option value='linux-6.18.y'>linux-6.18.y</option>
<option value='linux-6.19.y'>linux-6.19.y</option>
<option value='linux-6.2.y'>linux-6.2.y</option>
<option value='linux-6.3.y'>linux-6.3.y</option>
<option value='linux-6.4.y'>linux-6.4.y</option>
<option value='linux-6.5.y'>linux-6.5.y</option>
<option value='linux-6.6.y'>linux-6.6.y</option>
<option value='linux-6.7.y'>linux-6.7.y</option>
<option value='linux-6.8.y'>linux-6.8.y</option>
<option value='linux-6.9.y'>linux-6.9.y</option>
<option value='linux-rolling-lts'>linux-rolling-lts</option>
<option value='linux-rolling-stable'>linux-rolling-stable</option>
<option value='master'>master</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
<table class='tabs'><tr><td>
<a href='/distro/kernel/'>summary</a><a href='/distro/kernel/refs/?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011'>refs</a><a class='active' href='/distro/kernel/log/mm/readahead.c'>log</a><a href='/distro/kernel/tree/mm/readahead.c?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011'>tree</a><a href='/distro/kernel/commit/mm/readahead.c?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011'>commit</a><a href='/distro/kernel/diff/mm/readahead.c?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011'>diff</a></td><td class='form'><form class='right' method='get' action='/distro/kernel/log/mm/readahead.c'>
<input type='hidden' name='id' value='b534dc46c8ae0165b1b2509be24dbea4fa9c4011'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/distro/kernel/log/?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011'>root</a>/<a href='/distro/kernel/log/mm?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011'>mm</a>/<a href='/distro/kernel/log/mm/readahead.c?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011'>readahead.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/mm/readahead.c?id=b534dc46c8ae0165b1b2509be24dbea4fa9c4011&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-09-20 08:24:38 -0600'>2022-09-20</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=176042404ee6a96ba7e9054e1bda6220360a26ad'>mm: add PSI accounting around -&gt;read_folio and -&gt;readahead calls</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2022-06-23 12:22:00 -0400'>2022-06-23</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=00fa15e0d56482e32d8ca1f51d76b0ee00afb16b'>filemap: Fix serialization adding transparent huge pages to page cache</a></td><td>Alistair Popple</td></tr>
<tr><td><span title='2022-06-09 16:24:25 -0400'>2022-06-09</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=6bf74cddcffac0bc5ee0fad724aac778d2e53f75'>filemap: Don't release a locked folio</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-05-31 14:10:54 -0700'>2022-05-31</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=35b51afd23c98e2f055ac563aca36173a12588b9'>Merge tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/ke...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2022-05-24 19:55:07 -0700'>2022-05-24</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=fdaf9a5840acaab18694a19e0eb0aa51162eeeed'>Merge tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2022-05-23 13:56:39 -0700'>2022-05-23</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=115cd47132d71bd7e4aa1093e15d861a59e73a94'>Merge tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2022-05-09 16:28:36 -0400'>2022-05-09</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=7e0a126519b82648b254afcd95a168c15f65ea40'>mm,fs: Remove aops-&gt;readpage</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-05-09 16:21:40 -0400'>2022-05-09</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=5efe7448a1426250b5747c10ad438517f44f1e51'>fs: Introduce aops-&gt;read_folio</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-05-08 14:45:56 -0400'>2022-05-08</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=a42634a6c07d5a66e8ad446ad0f184c0c78012ff'>readahead: Use a folio in read_pages()</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-05-05 00:47:29 -0400'>2022-05-05</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=b9ff43dd27434dbd850b908e2e0e1f6e794efd9b'>mm/readahead: Fix readahead with large folios</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-05-02 14:06:20 -0600'>2022-05-02</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=c97ab271576dec2170e7b804cb05f7617b30fed9'>blk-cgroup: remove unneeded includes from &lt;linux/blk-cgroup.h&gt;</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2022-04-26 13:36:25 -0700'>2022-04-26</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=59c10c52f573faca862cda5ebcdd43831608eb5a'>riscv: compat: syscall: Add compat_sys_call_table implementation</a></td><td>Guo Ren</td></tr>
<tr><td><span title='2022-04-01 14:40:42 -0400'>2022-04-01</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=1e4702806faca1551733f58be17ea11a9d214e91'>readahead: Update comments</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-04-01 13:45:52 -0400'>2022-04-01</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=b4e089d705eef82364945abae325cd241c80e107'>mm: remove the skip_page argument to read_pages</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2022-04-01 13:45:43 -0400'>2022-04-01</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=dfd8b4fc76d5f7ae5663328b791c4acf222c4d39'>mm: remove the pages argument to read_pages</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2022-04-01 13:45:33 -0400'>2022-04-01</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=704528d895dd3e7b173e672116b4eb2b0a0fceb0'>fs: Remove -&gt;readpages address space operation</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-04-01 13:45:08 -0400'>2022-04-01</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=ebf921a9fac38560e0fc3a4381e163a6969efd5a'>readahead: Remove read_cache_pages()</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-03-22 18:26:56 -0700'>2022-03-22</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=6b1f86f8e9c7f9de7ca1cb987b2cf25e99b1ae3a'>Merge tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2022-03-22 17:03:12 -0700'>2022-03-22</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=9030fb0bb9d607908d51f9ee02efdbe01da355ee'>Merge tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2022-03-22 15:57:01 -0700'>2022-03-22</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=fe55d563d4174f13839a9b7ef7309da5031b5d93'>remove inode_congested()</a></td><td>NeilBrown</td></tr>
<tr><td><span title='2022-03-22 15:57:00 -0700'>2022-03-22</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=9fd472af84abd6da15376353c2283b3df9497646'>mm: improve cleanup when -&gt;readpages doesn't process all pages</a></td><td>NeilBrown</td></tr>
<tr><td><span title='2022-03-22 15:57:00 -0700'>2022-03-22</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=84dacdbd5352bfef82423760fa2e8bffaeef9e05'>mm: document and polish read-ahead code</a></td><td>NeilBrown</td></tr>
<tr><td><span title='2022-03-21 13:01:36 -0400'>2022-03-21</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=56a4d67c264e37014b8392cba9869c7fe904ed1e'>mm/readahead: Switch to page_cache_ra_order</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-03-21 13:01:36 -0400'>2022-03-21</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=793917d997df2e432f3e9ac126e4482d68256d01'>mm/readahead: Add large folio readahead</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-03-15 08:23:25 -0400'>2022-03-15</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=5ad6b2bdaaea712486145fa5a78ec24d25289071'>fs: Turn do_invalidatepage() into folio_invalidate()</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-01-04 13:15:34 -0500'>2022-01-04</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=0387df1d1fa7d6371a7f0603c30c1d8b3bd54eba'>readahead: Convert page_cache_ra_unbounded to folios</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2022-01-04 13:15:34 -0500'>2022-01-04</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=7836d9990079ed611199819ccf487061b748193a'>readahead: Convert page_cache_async_ra() to take a folio</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2021-11-06 14:08:17 -0700'>2021-11-06</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=512b7931ad0561ffe14265f9ff554a3c081b476b'>Merge branch 'akpm' (patches from Andrew)</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2021-11-06 13:30:41 -0700'>2021-11-06</span></td><td><a href='/distro/kernel/commit/mm/readahead.c?id=fb25a77dde78dbcaa70c828ea8c2f7cf182510ae'>mm/readahead.c: fix incorrect comments for get_init_ra_size</a></td><td>Lin Feng</td></tr>