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Subject[PATCH v2] tools/power: turbostat: make output buffer extensible (Re: [PATCH v1] tools/power: turbostat: fix buffer overrun)
Date
I updated the patch with a trival fix.
Could you review it?

- Naoya

----
From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Date: Fri, 19 Apr 2019 09:21:59 +0900
Subject: [PATCH v2] tools/power: turbostat: make output buffer extensible

"turbostat --Dump" could be terminated by general protection fault on
some latest hardwares which (for example) support 9 levels of C-states
and show 18 "tADDED" lines. That bloats the total output and finally
causes buffer overrun. So this patch sugguests to extend the output
buffer when reaching the end.

This patch also removes duplicated "pc10:" line to reduce buffer usage.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
---
ChangeLog v1->v2:
- moved va_end() before if block.
---
tools/power/x86/turbostat/turbostat.c | 397 ++++++++++++++------------
1 file changed, 210 insertions(+), 187 deletions(-)

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index c7727be9719f..767ada558d75 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -84,6 +84,7 @@ double tsc_tweak = 1.0;
unsigned int show_pkg_only;
unsigned int show_core_only;
char *output_buffer, *outp;
+ssize_t outbuf_size;
unsigned int do_rapl;
unsigned int do_dts;
unsigned int do_ptm;
@@ -625,6 +626,28 @@ unsigned long long bic_lookup(char *name_list, enum show_hide_mode mode)
return retval;
}

+static void *append_to_output_buffer(const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ outp += vsprintf(outp, fmt, args);
+ va_end(args);
+
+ /* Approaching the buffer end, so extend it. */
+ if (outp - output_buffer >= (outbuf_size - 256)) {
+ int output_size = outp - output_buffer;
+
+ outbuf_size += 1024;
+ output_buffer = realloc(output_buffer, outbuf_size);
+ if (output_buffer == NULL)
+ err(-1, "realloc output buffer");
+ if (debug)
+ printf("Output buffer was extended.\n");
+ outp = output_buffer + output_size;
+ }
+ return outp;
+}

void print_header(char *delim)
{
@@ -632,173 +655,173 @@ void print_header(char *delim)
int printed = 0;

if (DO_BIC(BIC_USEC))
- outp += sprintf(outp, "%susec", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%susec", (printed++ ? delim : ""));
if (DO_BIC(BIC_TOD))
- outp += sprintf(outp, "%sTime_Of_Day_Seconds", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sTime_Of_Day_Seconds", (printed++ ? delim : ""));
if (DO_BIC(BIC_Package))
- outp += sprintf(outp, "%sPackage", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPackage", (printed++ ? delim : ""));
if (DO_BIC(BIC_Die))
- outp += sprintf(outp, "%sDie", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sDie", (printed++ ? delim : ""));
if (DO_BIC(BIC_Node))
- outp += sprintf(outp, "%sNode", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sNode", (printed++ ? delim : ""));
if (DO_BIC(BIC_Core))
- outp += sprintf(outp, "%sCore", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCore", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPU))
- outp += sprintf(outp, "%sCPU", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCPU", (printed++ ? delim : ""));
if (DO_BIC(BIC_APIC))
- outp += sprintf(outp, "%sAPIC", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sAPIC", (printed++ ? delim : ""));
if (DO_BIC(BIC_X2APIC))
- outp += sprintf(outp, "%sX2APIC", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sX2APIC", (printed++ ? delim : ""));
if (DO_BIC(BIC_Avg_MHz))
- outp += sprintf(outp, "%sAvg_MHz", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sAvg_MHz", (printed++ ? delim : ""));
if (DO_BIC(BIC_Busy))
- outp += sprintf(outp, "%sBusy%%", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sBusy%%", (printed++ ? delim : ""));
if (DO_BIC(BIC_Bzy_MHz))
- outp += sprintf(outp, "%sBzy_MHz", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sBzy_MHz", (printed++ ? delim : ""));
if (DO_BIC(BIC_TSC_MHz))
- outp += sprintf(outp, "%sTSC_MHz", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sTSC_MHz", (printed++ ? delim : ""));

if (DO_BIC(BIC_IRQ)) {
if (sums_need_wide_columns)
- outp += sprintf(outp, "%s IRQ", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s IRQ", (printed++ ? delim : ""));
else
- outp += sprintf(outp, "%sIRQ", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sIRQ", (printed++ ? delim : ""));
}

if (DO_BIC(BIC_SMI))
- outp += sprintf(outp, "%sSMI", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sSMI", (printed++ ? delim : ""));

for (mp = sys.tp; mp; mp = mp->next) {

if (mp->format == FORMAT_RAW) {
if (mp->width == 64)
- outp += sprintf(outp, "%s%18.18s", (printed++ ? delim : ""), mp->name);
+ outp = append_to_output_buffer("%s%18.18s", (printed++ ? delim : ""), mp->name);
else
- outp += sprintf(outp, "%s%10.10s", (printed++ ? delim : ""), mp->name);
+ outp = append_to_output_buffer("%s%10.10s", (printed++ ? delim : ""), mp->name);
} else {
if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
- outp += sprintf(outp, "%s%8s", (printed++ ? delim : ""), mp->name);
+ outp = append_to_output_buffer("%s%8s", (printed++ ? delim : ""), mp->name);
else
- outp += sprintf(outp, "%s%s", (printed++ ? delim : ""), mp->name);
+ outp = append_to_output_buffer("%s%s", (printed++ ? delim : ""), mp->name);
}
}

if (DO_BIC(BIC_CPU_c1))
- outp += sprintf(outp, "%sCPU%%c1", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCPU%%c1", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPU_c3))
- outp += sprintf(outp, "%sCPU%%c3", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCPU%%c3", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPU_c6))
- outp += sprintf(outp, "%sCPU%%c6", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCPU%%c6", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPU_c7))
- outp += sprintf(outp, "%sCPU%%c7", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCPU%%c7", (printed++ ? delim : ""));

if (DO_BIC(BIC_Mod_c6))
- outp += sprintf(outp, "%sMod%%c6", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sMod%%c6", (printed++ ? delim : ""));

if (DO_BIC(BIC_CoreTmp))
- outp += sprintf(outp, "%sCoreTmp", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCoreTmp", (printed++ ? delim : ""));

if (do_rapl && !rapl_joules) {
if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCorWatt", (printed++ ? delim : ""));
} else if (do_rapl && rapl_joules) {
if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCor_J", (printed++ ? delim : ""));
}

for (mp = sys.cp; mp; mp = mp->next) {
if (mp->format == FORMAT_RAW) {
if (mp->width == 64)
- outp += sprintf(outp, "%s%18.18s", delim, mp->name);
+ outp = append_to_output_buffer("%s%18.18s", delim, mp->name);
else
- outp += sprintf(outp, "%s%10.10s", delim, mp->name);
+ outp = append_to_output_buffer("%s%10.10s", delim, mp->name);
} else {
if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
- outp += sprintf(outp, "%s%8s", delim, mp->name);
+ outp = append_to_output_buffer("%s%8s", delim, mp->name);
else
- outp += sprintf(outp, "%s%s", delim, mp->name);
+ outp = append_to_output_buffer("%s%s", delim, mp->name);
}
}

if (DO_BIC(BIC_PkgTmp))
- outp += sprintf(outp, "%sPkgTmp", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkgTmp", (printed++ ? delim : ""));

if (DO_BIC(BIC_GFX_rc6))
- outp += sprintf(outp, "%sGFX%%rc6", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sGFX%%rc6", (printed++ ? delim : ""));

if (DO_BIC(BIC_GFXMHz))
- outp += sprintf(outp, "%sGFXMHz", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sGFXMHz", (printed++ ? delim : ""));

if (DO_BIC(BIC_Totl_c0))
- outp += sprintf(outp, "%sTotl%%C0", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sTotl%%C0", (printed++ ? delim : ""));
if (DO_BIC(BIC_Any_c0))
- outp += sprintf(outp, "%sAny%%C0", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sAny%%C0", (printed++ ? delim : ""));
if (DO_BIC(BIC_GFX_c0))
- outp += sprintf(outp, "%sGFX%%C0", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sGFX%%C0", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPUGFX))
- outp += sprintf(outp, "%sCPUGFX%%", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCPUGFX%%", (printed++ ? delim : ""));

if (DO_BIC(BIC_Pkgpc2))
- outp += sprintf(outp, "%sPkg%%pc2", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkg%%pc2", (printed++ ? delim : ""));
if (DO_BIC(BIC_Pkgpc3))
- outp += sprintf(outp, "%sPkg%%pc3", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkg%%pc3", (printed++ ? delim : ""));
if (DO_BIC(BIC_Pkgpc6))
- outp += sprintf(outp, "%sPkg%%pc6", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkg%%pc6", (printed++ ? delim : ""));
if (DO_BIC(BIC_Pkgpc7))
- outp += sprintf(outp, "%sPkg%%pc7", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkg%%pc7", (printed++ ? delim : ""));
if (DO_BIC(BIC_Pkgpc8))
- outp += sprintf(outp, "%sPkg%%pc8", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkg%%pc8", (printed++ ? delim : ""));
if (DO_BIC(BIC_Pkgpc9))
- outp += sprintf(outp, "%sPkg%%pc9", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkg%%pc9", (printed++ ? delim : ""));
if (DO_BIC(BIC_Pkgpc10))
- outp += sprintf(outp, "%sPk%%pc10", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPk%%pc10", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPU_LPI))
- outp += sprintf(outp, "%sCPU%%LPI", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCPU%%LPI", (printed++ ? delim : ""));
if (DO_BIC(BIC_SYS_LPI))
- outp += sprintf(outp, "%sSYS%%LPI", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sSYS%%LPI", (printed++ ? delim : ""));

if (do_rapl && !rapl_joules) {
if (DO_BIC(BIC_PkgWatt))
- outp += sprintf(outp, "%sPkgWatt", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkgWatt", (printed++ ? delim : ""));
if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCorWatt", (printed++ ? delim : ""));
if (DO_BIC(BIC_GFXWatt))
- outp += sprintf(outp, "%sGFXWatt", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sGFXWatt", (printed++ ? delim : ""));
if (DO_BIC(BIC_RAMWatt))
- outp += sprintf(outp, "%sRAMWatt", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sRAMWatt", (printed++ ? delim : ""));
if (DO_BIC(BIC_PKG__))
- outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPKG_%%", (printed++ ? delim : ""));
if (DO_BIC(BIC_RAM__))
- outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sRAM_%%", (printed++ ? delim : ""));
} else if (do_rapl && rapl_joules) {
if (DO_BIC(BIC_Pkg_J))
- outp += sprintf(outp, "%sPkg_J", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPkg_J", (printed++ ? delim : ""));
if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sCor_J", (printed++ ? delim : ""));
if (DO_BIC(BIC_GFX_J))
- outp += sprintf(outp, "%sGFX_J", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sGFX_J", (printed++ ? delim : ""));
if (DO_BIC(BIC_RAM_J))
- outp += sprintf(outp, "%sRAM_J", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sRAM_J", (printed++ ? delim : ""));
if (DO_BIC(BIC_PKG__))
- outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sPKG_%%", (printed++ ? delim : ""));
if (DO_BIC(BIC_RAM__))
- outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%sRAM_%%", (printed++ ? delim : ""));
}
for (mp = sys.pp; mp; mp = mp->next) {
if (mp->format == FORMAT_RAW) {
if (mp->width == 64)
- outp += sprintf(outp, "%s%18.18s", delim, mp->name);
+ outp = append_to_output_buffer("%s%18.18s", delim, mp->name);
else
- outp += sprintf(outp, "%s%10.10s", delim, mp->name);
+ outp = append_to_output_buffer("%s%10.10s", delim, mp->name);
} else {
if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
- outp += sprintf(outp, "%s%8s", delim, mp->name);
+ outp = append_to_output_buffer("%s%8s", delim, mp->name);
else
- outp += sprintf(outp, "%s%s", delim, mp->name);
+ outp = append_to_output_buffer("%s%s", delim, mp->name);
}
}

- outp += sprintf(outp, "\n");
+ outp = append_to_output_buffer("\n");
}

int dump_counters(struct thread_data *t, struct core_data *c,
@@ -807,80 +830,79 @@ int dump_counters(struct thread_data *t, struct core_data *c,
int i;
struct msr_counter *mp;

- outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
+ outp = append_to_output_buffer("t %p, c %p, p %p\n", t, c, p);

if (t) {
- outp += sprintf(outp, "CPU: %d flags 0x%x\n",
+ outp = append_to_output_buffer("CPU: %d flags 0x%x\n",
t->cpu_id, t->flags);
- outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
- outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
- outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
- outp += sprintf(outp, "c1: %016llX\n", t->c1);
+ outp = append_to_output_buffer("TSC: %016llX\n", t->tsc);
+ outp = append_to_output_buffer("aperf: %016llX\n", t->aperf);
+ outp = append_to_output_buffer("mperf: %016llX\n", t->mperf);
+ outp = append_to_output_buffer("c1: %016llX\n", t->c1);

if (DO_BIC(BIC_IRQ))
- outp += sprintf(outp, "IRQ: %lld\n", t->irq_count);
+ outp = append_to_output_buffer("IRQ: %lld\n", t->irq_count);
if (DO_BIC(BIC_SMI))
- outp += sprintf(outp, "SMI: %d\n", t->smi_count);
+ outp = append_to_output_buffer("SMI: %d\n", t->smi_count);

for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
- outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n",
+ outp = append_to_output_buffer("tADDED [%d] msr0x%x: %08llX\n",
i, mp->msr_num, t->counter[i]);
}
}

if (c) {
- outp += sprintf(outp, "core: %d\n", c->core_id);
- outp += sprintf(outp, "c3: %016llX\n", c->c3);
- outp += sprintf(outp, "c6: %016llX\n", c->c6);
- outp += sprintf(outp, "c7: %016llX\n", c->c7);
- outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
- outp += sprintf(outp, "Joules: %0X\n", c->core_energy);
+ outp = append_to_output_buffer("core: %d\n", c->core_id);
+ outp = append_to_output_buffer("c3: %016llX\n", c->c3);
+ outp = append_to_output_buffer("c6: %016llX\n", c->c6);
+ outp = append_to_output_buffer("c7: %016llX\n", c->c7);
+ outp = append_to_output_buffer("DTS: %dC\n", c->core_temp_c);
+ outp = append_to_output_buffer("Joules: %0X\n", c->core_energy);

for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
- outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n",
+ outp = append_to_output_buffer("cADDED [%d] msr0x%x: %08llX\n",
i, mp->msr_num, c->counter[i]);
}
- outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us);
+ outp = append_to_output_buffer("mc6_us: %016llX\n", c->mc6_us);
}

if (p) {
- outp += sprintf(outp, "package: %d\n", p->package_id);
+ outp = append_to_output_buffer("package: %d\n", p->package_id);

- outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
- outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0);
- outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
- outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);
+ outp = append_to_output_buffer("Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
+ outp = append_to_output_buffer("Any cores: %016llX\n", p->pkg_any_core_c0);
+ outp = append_to_output_buffer("Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
+ outp = append_to_output_buffer("CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);

- outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
+ outp = append_to_output_buffer("pc2: %016llX\n", p->pc2);
if (DO_BIC(BIC_Pkgpc3))
- outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
+ outp = append_to_output_buffer("pc3: %016llX\n", p->pc3);
if (DO_BIC(BIC_Pkgpc6))
- outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
+ outp = append_to_output_buffer("pc6: %016llX\n", p->pc6);
if (DO_BIC(BIC_Pkgpc7))
- outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
- outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
- outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
- outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
- outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
- outp += sprintf(outp, "cpu_lpi: %016llX\n", p->cpu_lpi);
- outp += sprintf(outp, "sys_lpi: %016llX\n", p->sys_lpi);
- outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg);
- outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores);
- outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx);
- outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram);
- outp += sprintf(outp, "Throttle PKG: %0X\n",
+ outp = append_to_output_buffer("pc7: %016llX\n", p->pc7);
+ outp = append_to_output_buffer("pc8: %016llX\n", p->pc8);
+ outp = append_to_output_buffer("pc9: %016llX\n", p->pc9);
+ outp = append_to_output_buffer("pc10: %016llX\n", p->pc10);
+ outp = append_to_output_buffer("cpu_lpi: %016llX\n", p->cpu_lpi);
+ outp = append_to_output_buffer("sys_lpi: %016llX\n", p->sys_lpi);
+ outp = append_to_output_buffer("Joules PKG: %0X\n", p->energy_pkg);
+ outp = append_to_output_buffer("Joules COR: %0X\n", p->energy_cores);
+ outp = append_to_output_buffer("Joules GFX: %0X\n", p->energy_gfx);
+ outp = append_to_output_buffer("Joules RAM: %0X\n", p->energy_dram);
+ outp = append_to_output_buffer("Throttle PKG: %0X\n",
p->rapl_pkg_perf_status);
- outp += sprintf(outp, "Throttle RAM: %0X\n",
+ outp = append_to_output_buffer("Throttle RAM: %0X\n",
p->rapl_dram_perf_status);
- outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
+ outp = append_to_output_buffer("PTM: %dC\n", p->pkg_temp_c);

for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
- outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n",
+ outp = append_to_output_buffer("pADDED [%d] msr0x%x: %08llX\n",
i, mp->msr_num, p->counter[i]);
}
}

- outp += sprintf(outp, "\n");
+ outp = append_to_output_buffer("\n");

return 0;
}
@@ -916,12 +938,12 @@ int format_counters(struct thread_data *t, struct core_data *c,
struct timeval tv;

timersub(&t->tv_end, &t->tv_begin, &tv);
- outp += sprintf(outp, "%5ld\t", tv.tv_sec * 1000000 + tv.tv_usec);
+ outp = append_to_output_buffer("%5ld\t", tv.tv_sec * 1000000 + tv.tv_usec);
}

/* Time_Of_Day_Seconds: on each row, print sec.usec last timestamp taken */
if (DO_BIC(BIC_TOD))
- outp += sprintf(outp, "%10ld.%06ld\t", t->tv_end.tv_sec, t->tv_end.tv_usec);
+ outp = append_to_output_buffer("%10ld.%06ld\t", t->tv_end.tv_sec, t->tv_end.tv_usec);

interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;

@@ -930,108 +952,108 @@ int format_counters(struct thread_data *t, struct core_data *c,
/* topo columns, print blanks on 1st (average) line */
if (t == &average.threads) {
if (DO_BIC(BIC_Package))
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_Die))
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_Node))
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_Core))
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPU))
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_APIC))
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_X2APIC))
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
} else {
if (DO_BIC(BIC_Package)) {
if (p)
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->package_id);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), p->package_id);
else
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
}
if (DO_BIC(BIC_Die)) {
if (c)
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), cpus[t->cpu_id].die_id);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), cpus[t->cpu_id].die_id);
else
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
}
if (DO_BIC(BIC_Node)) {
if (t)
- outp += sprintf(outp, "%s%d",
+ outp = append_to_output_buffer("%s%d",
(printed++ ? delim : ""),
cpus[t->cpu_id].physical_node_id);
else
- outp += sprintf(outp, "%s-",
+ outp = append_to_output_buffer("%s-",
(printed++ ? delim : ""));
}
if (DO_BIC(BIC_Core)) {
if (c)
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_id);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), c->core_id);
else
- outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s-", (printed++ ? delim : ""));
}
if (DO_BIC(BIC_CPU))
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->cpu_id);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), t->cpu_id);
if (DO_BIC(BIC_APIC))
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->apic_id);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), t->apic_id);
if (DO_BIC(BIC_X2APIC))
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->x2apic_id);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), t->x2apic_id);
}

if (DO_BIC(BIC_Avg_MHz))
- outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""),
+ outp = append_to_output_buffer("%s%.0f", (printed++ ? delim : ""),
1.0 / units * t->aperf / interval_float);

if (DO_BIC(BIC_Busy))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->mperf/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * t->mperf/tsc);

if (DO_BIC(BIC_Bzy_MHz)) {
if (has_base_hz)
- outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), base_hz / units * t->aperf / t->mperf);
+ outp = append_to_output_buffer("%s%.0f", (printed++ ? delim : ""), base_hz / units * t->aperf / t->mperf);
else
- outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""),
+ outp = append_to_output_buffer("%s%.0f", (printed++ ? delim : ""),
tsc / units * t->aperf / t->mperf / interval_float);
}

if (DO_BIC(BIC_TSC_MHz))
- outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 1.0 * t->tsc/units/interval_float);
+ outp = append_to_output_buffer("%s%.0f", (printed++ ? delim : ""), 1.0 * t->tsc/units/interval_float);

/* IRQ */
if (DO_BIC(BIC_IRQ)) {
if (sums_need_wide_columns)
- outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->irq_count);
+ outp = append_to_output_buffer("%s%8lld", (printed++ ? delim : ""), t->irq_count);
else
- outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->irq_count);
+ outp = append_to_output_buffer("%s%lld", (printed++ ? delim : ""), t->irq_count);
}

/* SMI */
if (DO_BIC(BIC_SMI))
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->smi_count);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), t->smi_count);

/* Added counters */
for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW) {
if (mp->width == 32)
- outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) t->counter[i]);
+ outp = append_to_output_buffer("%s0x%08x", (printed++ ? delim : ""), (unsigned int) t->counter[i]);
else
- outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), t->counter[i]);
+ outp = append_to_output_buffer("%s0x%016llx", (printed++ ? delim : ""), t->counter[i]);
} else if (mp->format == FORMAT_DELTA) {
if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
- outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->counter[i]);
+ outp = append_to_output_buffer("%s%8lld", (printed++ ? delim : ""), t->counter[i]);
else
- outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->counter[i]);
+ outp = append_to_output_buffer("%s%lld", (printed++ ? delim : ""), t->counter[i]);
} else if (mp->format == FORMAT_PERCENT) {
if (mp->type == COUNTER_USEC)
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), t->counter[i]/interval_float/10000);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), t->counter[i]/interval_float/10000);
else
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->counter[i]/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * t->counter[i]/tsc);
}
}

/* C1 */
if (DO_BIC(BIC_CPU_c1))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->c1/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * t->c1/tsc);


/* print per-core data only for 1st thread in core */
@@ -1039,32 +1061,32 @@ int format_counters(struct thread_data *t, struct core_data *c,
goto done;

if (DO_BIC(BIC_CPU_c3))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c3/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * c->c3/tsc);
if (DO_BIC(BIC_CPU_c6))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c6/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * c->c6/tsc);
if (DO_BIC(BIC_CPU_c7))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c7/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * c->c7/tsc);

/* Mod%c6 */
if (DO_BIC(BIC_Mod_c6))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->mc6_us / tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * c->mc6_us / tsc);

if (DO_BIC(BIC_CoreTmp))
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_temp_c);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), c->core_temp_c);

for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW) {
if (mp->width == 32)
- outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) c->counter[i]);
+ outp = append_to_output_buffer("%s0x%08x", (printed++ ? delim : ""), (unsigned int) c->counter[i]);
else
- outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), c->counter[i]);
+ outp = append_to_output_buffer("%s0x%016llx", (printed++ ? delim : ""), c->counter[i]);
} else if (mp->format == FORMAT_DELTA) {
if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
- outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), c->counter[i]);
+ outp = append_to_output_buffer("%s%8lld", (printed++ ? delim : ""), c->counter[i]);
else
- outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), c->counter[i]);
+ outp = append_to_output_buffer("%s%lld", (printed++ ? delim : ""), c->counter[i]);
} else if (mp->format == FORMAT_PERCENT) {
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->counter[i]/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * c->counter[i]/tsc);
}
}

@@ -1078,9 +1100,9 @@ int format_counters(struct thread_data *t, struct core_data *c,
fmt8 = "%6.0f**";

if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units / interval_float);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units / interval_float);
if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units);

/* print per-package data only for 1st core in package */
if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
@@ -1088,92 +1110,92 @@ int format_counters(struct thread_data *t, struct core_data *c,

/* PkgTmp */
if (DO_BIC(BIC_PkgTmp))
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->pkg_temp_c);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), p->pkg_temp_c);

/* GFXrc6 */
if (DO_BIC(BIC_GFX_rc6)) {
if (p->gfx_rc6_ms == -1) { /* detect GFX counter reset */
- outp += sprintf(outp, "%s**.**", (printed++ ? delim : ""));
+ outp = append_to_output_buffer("%s**.**", (printed++ ? delim : ""));
} else {
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""),
p->gfx_rc6_ms / 10.0 / interval_float);
}
}

/* GFXMHz */
if (DO_BIC(BIC_GFXMHz))
- outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_mhz);
+ outp = append_to_output_buffer("%s%d", (printed++ ? delim : ""), p->gfx_mhz);

/* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
if (DO_BIC(BIC_Totl_c0))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_wtd_core_c0/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_wtd_core_c0/tsc);
if (DO_BIC(BIC_Any_c0))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_core_c0/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_core_c0/tsc);
if (DO_BIC(BIC_GFX_c0))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_gfxe_c0/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_gfxe_c0/tsc);
if (DO_BIC(BIC_CPUGFX))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_both_core_gfxe_c0/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_both_core_gfxe_c0/tsc);

if (DO_BIC(BIC_Pkgpc2))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc2/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc2/tsc);
if (DO_BIC(BIC_Pkgpc3))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc3/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc3/tsc);
if (DO_BIC(BIC_Pkgpc6))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc6/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc6/tsc);
if (DO_BIC(BIC_Pkgpc7))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc7/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc7/tsc);
if (DO_BIC(BIC_Pkgpc8))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc8/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc8/tsc);
if (DO_BIC(BIC_Pkgpc9))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc9/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc9/tsc);
if (DO_BIC(BIC_Pkgpc10))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc10/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc10/tsc);

if (DO_BIC(BIC_CPU_LPI))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->cpu_lpi / 1000000.0 / interval_float);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->cpu_lpi / 1000000.0 / interval_float);
if (DO_BIC(BIC_SYS_LPI))
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float);

if (DO_BIC(BIC_PkgWatt))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float);
if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float);
if (DO_BIC(BIC_GFXWatt))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float);
if (DO_BIC(BIC_RAMWatt))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units / interval_float);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units / interval_float);
if (DO_BIC(BIC_Pkg_J))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units);
if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units);
if (DO_BIC(BIC_GFX_J))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units);
if (DO_BIC(BIC_RAM_J))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units);
if (DO_BIC(BIC_PKG__))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
if (DO_BIC(BIC_RAM__))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
+ outp = append_to_output_buffer(fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);

for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW) {
if (mp->width == 32)
- outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) p->counter[i]);
+ outp = append_to_output_buffer("%s0x%08x", (printed++ ? delim : ""), (unsigned int) p->counter[i]);
else
- outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), p->counter[i]);
+ outp = append_to_output_buffer("%s0x%016llx", (printed++ ? delim : ""), p->counter[i]);
} else if (mp->format == FORMAT_DELTA) {
if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
- outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), p->counter[i]);
+ outp = append_to_output_buffer("%s%8lld", (printed++ ? delim : ""), p->counter[i]);
else
- outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), p->counter[i]);
+ outp = append_to_output_buffer("%s%lld", (printed++ ? delim : ""), p->counter[i]);
} else if (mp->format == FORMAT_PERCENT) {
- outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->counter[i]/tsc);
+ outp = append_to_output_buffer("%s%.2f", (printed++ ? delim : ""), 100.0 * p->counter[i]/tsc);
}
}

done:
if (*(outp - 1) != '\n')
- outp += sprintf(outp, "\n");
+ outp = append_to_output_buffer("\n");

return 0;
}
@@ -5135,7 +5157,8 @@ int initialize_counters(int cpu_id)

void allocate_output_buffer()
{
- output_buffer = calloc(1, (1 + topo.num_cpus) * 1024);
+ outbuf_size = (1 + topo.num_cpus) * 1024;
+ output_buffer = calloc(1, outbuf_size);
outp = output_buffer;
if (outp == NULL)
err(-1, "calloc output buffer");
--
2.17.1
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